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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/159737">159737</a></dd>
<dt>Author</dt> <dd>beidson@apple.com</dd>
<dt>Date</dt> <dd>2013-11-24 15:12:28 -0800 (Sun, 24 Nov 2013)</dd>
</dl>

<h3>Log Message</h3>
<pre>DatabaseProcess: Add &quot;UniqueIDBDatabase&quot; that multiple WebProcesses can connect to
https://bugs.webkit.org/show_bug.cgi?id=124819

Reviewed by Dan Bernstein.

Source/WebCore:

* Modules/indexeddb/IDBDatabaseBackend.cpp:
(WebCore::IDBDatabaseBackend::~IDBDatabaseBackend): Unregister from the IDBFactory.

Source/WebKit2:

UniqueIDBDatabase instances are per-DatabaseProcess, so it manages the set of them.
* DatabaseProcess/DatabaseProcess.cpp:
(WebKit::DatabaseProcess::getOrCreateUniqueIDBDatabase):
(WebKit::DatabaseProcess::removeUniqueIDBDatabase):
* DatabaseProcess/DatabaseProcess.h:

* DatabaseProcess/DatabaseToWebProcessConnection.h:

Start forwarding things along to the appropriate UniqueIDBDatabase.
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp:
(WebKit::DatabaseProcessIDBConnection::~DatabaseProcessIDBConnection):
(WebKit::DatabaseProcessIDBConnection::disconnectedFromWebProcess):
(WebKit::DatabaseProcessIDBConnection::establishConnection):
(WebKit::DatabaseProcessIDBConnection::getOrEstablishIDBDatabaseMetadata):
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h:

A class that represents a single concrete IDB database that multiple WebProcesses can connect to.
* DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:
(WebKit::UniqueIDBDatabase::UniqueIDBDatabase):
(WebKit::UniqueIDBDatabase::~UniqueIDBDatabase):
(WebKit::UniqueIDBDatabase::registerConnection):
(WebKit::UniqueIDBDatabase::unregisterConnection):
(WebKit::UniqueIDBDatabase::getIDBDatabaseMetadata):
* DatabaseProcess/IndexedDB/UniqueIDBDatabase.h:
(WebKit::UniqueIDBDatabase::create):
(WebKit::UniqueIDBDatabase::identifier):

A class to help uniquely identify an IDBDatabase that can be expanded as needed.
Importantly, it knows how to be used as a key in a HashMap.
* DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.cpp: Added.
(WebKit::UniqueIDBDatabaseIdentifier::UniqueIDBDatabaseIdentifier):
(WebKit::UniqueIDBDatabaseIdentifier::isHashTableDeletedValue):
(WebKit::UniqueIDBDatabaseIdentifier::hash):
(WebKit::UniqueIDBDatabaseIdentifier::isNull):
(WebKit::operator==):
* DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.h: Added.
(WebKit::UniqueIDBDatabaseIdentifier::databaseName):
(WebKit::UniqueIDBDatabaseIdentifier::openingOrigin):
(WebKit::UniqueIDBDatabaseIdentifier::mainFrameOrigin):
(WebKit::UniqueIDBDatabaseIdentifierHash::hash):
(WebKit::UniqueIDBDatabaseIdentifierHash::equal):
(WebKit::UniqueIDBDatabaseIdentifierHashTraits::isEmptyValue):

* Shared/SecurityOriginData.cpp:
(WebKit::operator==):
* Shared/SecurityOriginData.h:

* UIProcess/WebContext.cpp:

* WebProcess/Databases/IndexedDB/WebIDBFactoryBackend.cpp:
(WebKit::WebIDBFactoryBackend::open):
(WebKit::WebIDBFactoryBackend::removeIDBDatabaseBackend):

* WebKit2.xcodeproj/project.pbxproj:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesindexeddbIDBDatabaseBackendcpp">trunk/Source/WebCore/Modules/indexeddb/IDBDatabaseBackend.cpp</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessDatabaseProcesscpp">trunk/Source/WebKit2/DatabaseProcess/DatabaseProcess.cpp</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessDatabaseProcessh">trunk/Source/WebKit2/DatabaseProcess/DatabaseProcess.h</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessDatabaseToWebProcessConnectionh">trunk/Source/WebKit2/DatabaseProcess/DatabaseToWebProcessConnection.h</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectioncpp">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h</a></li>
<li><a href="#trunkSourceWebKit2SharedSecurityOriginDatacpp">trunk/Source/WebKit2/Shared/SecurityOriginData.cpp</a></li>
<li><a href="#trunkSourceWebKit2SharedSecurityOriginDatah">trunk/Source/WebKit2/Shared/SecurityOriginData.h</a></li>
<li><a href="#trunkSourceWebKit2WebKit2xcodeprojprojectpbxproj">trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj</a></li>
<li><a href="#trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBFactoryBackendcpp">trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBFactoryBackend.cpp</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabasecpp">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseIdentifiercpp">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.cpp</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseIdentifierh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebCore/ChangeLog        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2013-11-24  Brady Eidson  &lt;beidson@apple.com&gt;
+
+        DatabaseProcess: Add &quot;UniqueIDBDatabase&quot; that multiple WebProcesses can connect to
+        https://bugs.webkit.org/show_bug.cgi?id=124819
+
+        Reviewed by Dan Bernstein.
+
+        * Modules/indexeddb/IDBDatabaseBackend.cpp:
+        (WebCore::IDBDatabaseBackend::~IDBDatabaseBackend): Unregister from the IDBFactory.
+
</ins><span class="cx"> 2013-11-24  Gyuyoung Kim  &lt;gyuyoung.kim@samsung.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Generate toHTMLMarquee|OListElement() to cleanup static_cast&lt;&gt;
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesindexeddbIDBDatabaseBackendcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/indexeddb/IDBDatabaseBackend.cpp (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/indexeddb/IDBDatabaseBackend.cpp        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebCore/Modules/indexeddb/IDBDatabaseBackend.cpp        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -124,6 +124,7 @@
</span><span class="cx"> 
</span><span class="cx"> IDBDatabaseBackend::~IDBDatabaseBackend()
</span><span class="cx"> {
</span><ins>+    m_factory-&gt;removeIDBDatabaseBackend(m_identifier);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void IDBDatabaseBackend::createObjectStore(int64_t transactionId, int64_t objectStoreId, const String&amp; name, const IDBKeyPath&amp; keyPath, bool autoIncrement)
</span><span class="lines">@@ -447,7 +448,6 @@
</span><span class="cx">     processPendingCalls();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-
</del><span class="cx"> void IDBDatabaseBackend::openConnectionInternal(PassRefPtr&lt;IDBCallbacks&gt; prpCallbacks, PassRefPtr&lt;IDBDatabaseCallbacks&gt; prpDatabaseCallbacks, int64_t transactionId, uint64_t version)
</span><span class="cx"> {
</span><span class="cx">     ASSERT(m_pendingDeleteCalls.isEmpty());
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebKit2/ChangeLog        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -1,3 +1,65 @@
</span><ins>+2013-11-24  Brady Eidson  &lt;beidson@apple.com&gt;
+
+        DatabaseProcess: Add &quot;UniqueIDBDatabase&quot; that multiple WebProcesses can connect to
+        https://bugs.webkit.org/show_bug.cgi?id=124819
+
+        Reviewed by Dan Bernstein.
+
+        UniqueIDBDatabase instances are per-DatabaseProcess, so it manages the set of them.
+        * DatabaseProcess/DatabaseProcess.cpp:
+        (WebKit::DatabaseProcess::getOrCreateUniqueIDBDatabase):
+        (WebKit::DatabaseProcess::removeUniqueIDBDatabase):
+        * DatabaseProcess/DatabaseProcess.h:
+
+        * DatabaseProcess/DatabaseToWebProcessConnection.h:
+
+        Start forwarding things along to the appropriate UniqueIDBDatabase.
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp:
+        (WebKit::DatabaseProcessIDBConnection::~DatabaseProcessIDBConnection):
+        (WebKit::DatabaseProcessIDBConnection::disconnectedFromWebProcess):
+        (WebKit::DatabaseProcessIDBConnection::establishConnection):
+        (WebKit::DatabaseProcessIDBConnection::getOrEstablishIDBDatabaseMetadata):
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h:
+
+        A class that represents a single concrete IDB database that multiple WebProcesses can connect to.
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:
+        (WebKit::UniqueIDBDatabase::UniqueIDBDatabase):
+        (WebKit::UniqueIDBDatabase::~UniqueIDBDatabase):
+        (WebKit::UniqueIDBDatabase::registerConnection):
+        (WebKit::UniqueIDBDatabase::unregisterConnection):
+        (WebKit::UniqueIDBDatabase::getIDBDatabaseMetadata):
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabase.h:
+        (WebKit::UniqueIDBDatabase::create):
+        (WebKit::UniqueIDBDatabase::identifier):
+
+        A class to help uniquely identify an IDBDatabase that can be expanded as needed.
+        Importantly, it knows how to be used as a key in a HashMap.
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.cpp: Added.
+        (WebKit::UniqueIDBDatabaseIdentifier::UniqueIDBDatabaseIdentifier):
+        (WebKit::UniqueIDBDatabaseIdentifier::isHashTableDeletedValue):
+        (WebKit::UniqueIDBDatabaseIdentifier::hash):
+        (WebKit::UniqueIDBDatabaseIdentifier::isNull):
+        (WebKit::operator==):
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.h: Added.
+        (WebKit::UniqueIDBDatabaseIdentifier::databaseName):
+        (WebKit::UniqueIDBDatabaseIdentifier::openingOrigin):
+        (WebKit::UniqueIDBDatabaseIdentifier::mainFrameOrigin):
+        (WebKit::UniqueIDBDatabaseIdentifierHash::hash):
+        (WebKit::UniqueIDBDatabaseIdentifierHash::equal):
+        (WebKit::UniqueIDBDatabaseIdentifierHashTraits::isEmptyValue):
+
+        * Shared/SecurityOriginData.cpp:
+        (WebKit::operator==):
+        * Shared/SecurityOriginData.h:
+
+        * UIProcess/WebContext.cpp:
+
+        * WebProcess/Databases/IndexedDB/WebIDBFactoryBackend.cpp:
+        (WebKit::WebIDBFactoryBackend::open):
+        (WebKit::WebIDBFactoryBackend::removeIDBDatabaseBackend):
+
+        * WebKit2.xcodeproj/project.pbxproj:
+
</ins><span class="cx"> 2013-11-24  Danilo Cesar Lemes de Paula  &lt;danilo.cesar@collabora.co.uk&gt;, Arunprasad Rajkumar  &lt;arurajku@cisco.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [WK2][GTK] Adding SpatialNavigation setting to webkit2
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessDatabaseProcesscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/DatabaseProcess.cpp (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/DatabaseProcess.cpp        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebKit2/DatabaseProcess/DatabaseProcess.cpp        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -29,6 +29,7 @@
</span><span class="cx"> #include &quot;DatabaseProcessCreationParameters.h&quot;
</span><span class="cx"> #include &quot;DatabaseProcessProxyMessages.h&quot;
</span><span class="cx"> #include &quot;DatabaseToWebProcessConnection.h&quot;
</span><ins>+#include &quot;UniqueIDBDatabase.h&quot;
</ins><span class="cx"> 
</span><span class="cx"> #if ENABLE(DATABASE_PROCESS)
</span><span class="cx"> 
</span><span class="lines">@@ -68,6 +69,27 @@
</span><span class="cx">     RunLoop::current()-&gt;stop();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+PassRefPtr&lt;UniqueIDBDatabase&gt; DatabaseProcess::getOrCreateUniqueIDBDatabase(const UniqueIDBDatabaseIdentifier&amp; identifier)
+{
+    auto addResult = m_idbDatabases.add(identifier, nullptr);
+
+    if (!addResult.isNewEntry)
+        return addResult.iterator-&gt;value;
+
+    RefPtr&lt;UniqueIDBDatabase&gt; database = UniqueIDBDatabase::create(identifier);
+    addResult.iterator-&gt;value = database.get();
+    return database.release();
+}
+
+void DatabaseProcess::removeUniqueIDBDatabase(const UniqueIDBDatabase&amp; database)
+{
+    const UniqueIDBDatabaseIdentifier&amp; identifier = database.identifier();
+    ASSERT(m_idbDatabases.contains(identifier));
+
+    // FIXME: Perform necessary shut down of the unique database before it is actually destroyed.
+    m_idbDatabases.remove(identifier);
+}
+
</ins><span class="cx"> void DatabaseProcess::initializeDatabaseProcess(const DatabaseProcessCreationParameters&amp; parameters)
</span><span class="cx"> {
</span><span class="cx">     m_indexedDatabaseDirectory = parameters.indexedDatabaseDirectory;
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessDatabaseProcessh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/DatabaseProcess.h (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/DatabaseProcess.h        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebKit2/DatabaseProcess/DatabaseProcess.h        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -29,10 +29,12 @@
</span><span class="cx"> #if ENABLE(DATABASE_PROCESS)
</span><span class="cx"> 
</span><span class="cx"> #include &quot;ChildProcess.h&quot;
</span><ins>+#include &quot;UniqueIDBDatabaseIdentifier.h&quot;
</ins><span class="cx"> 
</span><span class="cx"> namespace WebKit {
</span><span class="cx"> 
</span><span class="cx"> class DatabaseToWebProcessConnection;
</span><ins>+class UniqueIDBDatabase;
</ins><span class="cx"> 
</span><span class="cx"> struct DatabaseProcessCreationParameters;
</span><span class="cx"> 
</span><span class="lines">@@ -43,6 +45,9 @@
</span><span class="cx"> 
</span><span class="cx">     const String&amp; indexedDatabaseDirectory() const { return m_indexedDatabaseDirectory; }
</span><span class="cx"> 
</span><ins>+    PassRefPtr&lt;UniqueIDBDatabase&gt; getOrCreateUniqueIDBDatabase(const UniqueIDBDatabaseIdentifier&amp;);
+    void removeUniqueIDBDatabase(const UniqueIDBDatabase&amp;);
+
</ins><span class="cx"> private:
</span><span class="cx">     DatabaseProcess();
</span><span class="cx">     ~DatabaseProcess();
</span><span class="lines">@@ -66,6 +71,8 @@
</span><span class="cx">     Vector&lt;RefPtr&lt;DatabaseToWebProcessConnection&gt;&gt; m_databaseToWebProcessConnections;
</span><span class="cx"> 
</span><span class="cx">     String m_indexedDatabaseDirectory;
</span><ins>+
+    HashMap&lt;UniqueIDBDatabaseIdentifier, RefPtr&lt;UniqueIDBDatabase&gt;&gt; m_idbDatabases;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessDatabaseToWebProcessConnectionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/DatabaseToWebProcessConnection.h (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/DatabaseToWebProcessConnection.h        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebKit2/DatabaseProcess/DatabaseToWebProcessConnection.h        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -27,6 +27,7 @@
</span><span class="cx"> #define DatabaseToWebProcessConnection_h
</span><span class="cx"> 
</span><span class="cx"> #include &quot;Connection.h&quot;
</span><ins>+#include &quot;DatabaseProcessIDBConnection.h&quot;
</ins><span class="cx"> #include &quot;MessageSender.h&quot;
</span><span class="cx"> 
</span><span class="cx"> #include &lt;wtf/HashMap.h&gt;
</span><span class="lines">@@ -35,8 +36,6 @@
</span><span class="cx"> 
</span><span class="cx"> namespace WebKit {
</span><span class="cx"> 
</span><del>-class DatabaseProcessIDBConnection;
-
</del><span class="cx"> class DatabaseToWebProcessConnection : public RefCounted&lt;DatabaseToWebProcessConnection&gt;, public CoreIPC::Connection::Client, public CoreIPC::MessageSender {
</span><span class="cx"> public:
</span><span class="cx">     static PassRefPtr&lt;DatabaseToWebProcessConnection&gt; create(CoreIPC::Connection::Identifier);
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -28,7 +28,9 @@
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</span><span class="cx"> 
</span><ins>+#include &quot;DatabaseProcess.h&quot;
</ins><span class="cx"> #include &quot;DatabaseToWebProcessConnection.h&quot;
</span><ins>+#include &quot;UniqueIDBDatabase.h&quot;
</ins><span class="cx"> #include &quot;WebCoreArgumentCoders.h&quot;
</span><span class="cx"> #include &quot;WebIDBServerConnectionMessages.h&quot;
</span><span class="cx"> #include &lt;WebCore/IDBDatabaseMetadata.h&gt;
</span><span class="lines">@@ -45,32 +47,29 @@
</span><span class="cx"> 
</span><span class="cx"> DatabaseProcessIDBConnection::~DatabaseProcessIDBConnection()
</span><span class="cx"> {
</span><ins>+    ASSERT(!m_uniqueIDBDatabase);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void DatabaseProcessIDBConnection::disconnectedFromWebProcess()
</span><span class="cx"> {
</span><del>-    // Do any necessary cleanup work here.
</del><ins>+    m_uniqueIDBDatabase-&gt;unregisterConnection(*this);
+    m_uniqueIDBDatabase.clear();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void DatabaseProcessIDBConnection::establishConnection(const String&amp; databaseName, const SecurityOriginData&amp; openingOrigin, const SecurityOriginData&amp; mainFrameOrigin)
</span><span class="cx"> {
</span><del>-    // This method should only be called once, so the stored database name should still be null.
-    // Also, it is invalid to set the stored database name to the null string.
-    ASSERT(m_databaseName.isNull());
-    ASSERT(!databaseName.isNull());
-
-    m_databaseName = databaseName;
-    m_openingOrigin = openingOrigin;
-    m_mainFrameOrigin = mainFrameOrigin;
</del><ins>+    m_uniqueIDBDatabase = DatabaseProcess::shared().getOrCreateUniqueIDBDatabase(UniqueIDBDatabaseIdentifier(databaseName, openingOrigin, mainFrameOrigin));
+    m_uniqueIDBDatabase-&gt;registerConnection(*this);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void DatabaseProcessIDBConnection::getOrEstablishIDBDatabaseMetadata(uint64_t requestID)
</span><span class="cx"> {
</span><del>-    // FIXME: This method is successfully called by messaging from the WebProcess, and calls back with dummy data.
-    // Needs real implementation.
</del><ins>+    ASSERT(m_uniqueIDBDatabase);
</ins><span class="cx"> 
</span><del>-    IDBDatabaseMetadata data;
-    send(Messages::WebIDBServerConnection::DidGetOrEstablishIDBDatabaseMetadata(requestID, false, data));
</del><ins>+    RefPtr&lt;DatabaseProcessIDBConnection&gt; connection(this);
+    m_uniqueIDBDatabase-&gt;getIDBDatabaseMetadata([connection, requestID](bool success, const IDBDatabaseMetadata&amp; metadata) {
+        connection-&gt;send(Messages::WebIDBServerConnection::DidGetOrEstablishIDBDatabaseMetadata(requestID, success, metadata));
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> CoreIPC::Connection* DatabaseProcessIDBConnection::messageSenderConnection()
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -31,11 +31,13 @@
</span><span class="cx"> #if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</span><span class="cx"> 
</span><span class="cx"> #include &quot;SecurityOriginData.h&quot;
</span><ins>+#include &quot;UniqueIDBDatabaseIdentifier.h&quot;
</ins><span class="cx"> #include &lt;wtf/text/WTFString.h&gt;
</span><span class="cx"> 
</span><span class="cx"> namespace WebKit {
</span><span class="cx"> 
</span><span class="cx"> class DatabaseToWebProcessConnection;
</span><ins>+class UniqueIDBDatabase;
</ins><span class="cx"> 
</span><span class="cx"> class DatabaseProcessIDBConnection : public RefCounted&lt;DatabaseProcessIDBConnection&gt;, public CoreIPC::MessageSender {
</span><span class="cx"> public:
</span><span class="lines">@@ -65,9 +67,7 @@
</span><span class="cx">     Ref&lt;DatabaseToWebProcessConnection&gt; m_connection;
</span><span class="cx">     uint64_t m_serverConnectionIdentifier;
</span><span class="cx"> 
</span><del>-    String m_databaseName;
-    SecurityOriginData m_openingOrigin;
-    SecurityOriginData m_mainFrameOrigin;
</del><ins>+    RefPtr&lt;UniqueIDBDatabase&gt; m_uniqueIDBDatabase;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabasecppfromrev159736trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectioncpp"></a>
<div class="copfile"><h4>Copied: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp (from rev 159736, trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp) (0 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp                                (rev 0)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -0,0 +1,74 @@
</span><ins>+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include &quot;config.h&quot;
+#include &quot;UniqueIDBDatabase.h&quot;
+
+#if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+
+#include &quot;DatabaseProcess.h&quot;
+#include &quot;DatabaseProcessIDBConnection.h&quot;
+#include &lt;WebCore/IDBDatabaseMetadata.h&gt;
+
+using namespace WebCore;
+
+namespace WebKit {
+
+UniqueIDBDatabase::UniqueIDBDatabase(const UniqueIDBDatabaseIdentifier&amp; identifier)
+    : m_identifier(identifier)
+{
+}
+
+UniqueIDBDatabase::~UniqueIDBDatabase()
+{
+}
+
+void UniqueIDBDatabase::registerConnection(DatabaseProcessIDBConnection&amp; connection)
+{
+    ASSERT(!m_connections.contains(&amp;connection));
+    m_connections.add(&amp;connection);
+}
+
+void UniqueIDBDatabase::unregisterConnection(DatabaseProcessIDBConnection&amp; connection)
+{
+    ASSERT(m_connections.contains(&amp;connection));
+    m_connections.remove(&amp;connection);
+
+    if (m_connections.isEmpty())
+        DatabaseProcess::shared().removeUniqueIDBDatabase(*this);
+}
+
+void UniqueIDBDatabase::getIDBDatabaseMetadata(std::function&lt;void(bool, const WebCore::IDBDatabaseMetadata&amp;)&gt; completionCallback)
+{
+    // FIXME: This method is successfully called by messaging from the WebProcess, and calls back with dummy data.
+    // Needs real implementation.
+
+    IDBDatabaseMetadata metadata;
+    completionCallback(false, metadata);
+}
+
+} // namespace WebKit
+
+#endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</ins></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabasehfromrev159736trunkSourceWebKit2SharedSecurityOriginDatah"></a>
<div class="copfile"><h4>Copied: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h (from rev 159736, trunk/Source/WebKit2/Shared/SecurityOriginData.h) (0 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h                                (rev 0)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -0,0 +1,75 @@
</span><ins>+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef UniqueIDBDatabase_h
+#define UniqueIDBDatabase_h
+
+#if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+
+#include &quot;UniqueIDBDatabaseIdentifier.h&quot;
+#include &lt;functional&gt;
+#include &lt;wtf/HashSet.h&gt;
+#include &lt;wtf/PassRefPtr.h&gt;
+#include &lt;wtf/RefCounted.h&gt;
+#include &lt;wtf/text/WTFString.h&gt;
+
+namespace WebCore {
+struct IDBDatabaseMetadata;
+}
+
+namespace WebKit {
+
+class DatabaseProcessIDBConnection;
+
+struct SecurityOriginData;
+
+class UniqueIDBDatabase : public RefCounted&lt;UniqueIDBDatabase&gt; {
+public:
+    static PassRefPtr&lt;UniqueIDBDatabase&gt; create(const UniqueIDBDatabaseIdentifier&amp; identifier)
+    {
+        return adoptRef(new UniqueIDBDatabase(identifier));
+    }
+
+    ~UniqueIDBDatabase();
+
+    const UniqueIDBDatabaseIdentifier&amp; identifier() const { return m_identifier; }
+
+    void registerConnection(DatabaseProcessIDBConnection&amp;);
+    void unregisterConnection(DatabaseProcessIDBConnection&amp;);
+
+    void getIDBDatabaseMetadata(std::function&lt;void(bool, const WebCore::IDBDatabaseMetadata&amp;)&gt; completionCallback);
+
+private:
+    UniqueIDBDatabase(const UniqueIDBDatabaseIdentifier&amp;);
+
+    UniqueIDBDatabaseIdentifier m_identifier;
+
+    HashSet&lt;RefPtr&lt;DatabaseProcessIDBConnection&gt;&gt; m_connections;
+};
+
+} // namespace WebKit
+
+#endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+#endif // UniqueIDBDatabase_h
</ins></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseIdentifiercpp"></a>
<div class="addfile"><h4>Added: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.cpp (0 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.cpp                                (rev 0)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.cpp        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -0,0 +1,90 @@
</span><ins>+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include &quot;config.h&quot;
+#include &quot;UniqueIDBDatabaseIdentifier.h&quot;
+
+#if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+
+#include &lt;wtf/text/StringBuilder.h&gt;
+
+namespace WebKit {
+
+UniqueIDBDatabaseIdentifier::UniqueIDBDatabaseIdentifier()
+{
+}
+
+UniqueIDBDatabaseIdentifier::UniqueIDBDatabaseIdentifier(const String&amp; databaseName, const SecurityOriginData&amp; openingOrigin, const SecurityOriginData&amp; mainFrameOrigin)
+    : m_databaseName(databaseName)
+    , m_openingOrigin(openingOrigin)
+    , m_mainFrameOrigin(mainFrameOrigin)
+{
+    // While it is valid to have an empty database name, it is not valid to have a null one.
+    ASSERT(!m_databaseName.isNull());
+}
+
+UniqueIDBDatabaseIdentifier::UniqueIDBDatabaseIdentifier(WTF::HashTableDeletedValueType)
+    : m_databaseName(WTF::HashTableDeletedValue)
+{
+}
+
+bool UniqueIDBDatabaseIdentifier::isHashTableDeletedValue() const
+{
+    return m_databaseName.isHashTableDeletedValue();
+}
+
+unsigned UniqueIDBDatabaseIdentifier::hash() const
+{
+    unsigned hashCodes[7] = {
+        m_databaseName.impl() ? m_databaseName.impl()-&gt;hash() : 0,
+        m_openingOrigin.protocol.impl() ? m_openingOrigin.protocol.impl()-&gt;hash() : 0,
+        m_openingOrigin.host.impl() ? m_openingOrigin.host.impl()-&gt;hash() : 0,
+        static_cast&lt;unsigned&gt;(m_openingOrigin.port),
+        m_mainFrameOrigin.protocol.impl() ? m_mainFrameOrigin.protocol.impl()-&gt;hash() : 0,
+        m_mainFrameOrigin.host.impl() ? m_mainFrameOrigin.host.impl()-&gt;hash() : 0,
+        static_cast&lt;unsigned&gt;(m_mainFrameOrigin.port)
+    };
+    return StringHasher::hashMemory&lt;sizeof(hashCodes)&gt;(hashCodes);
+}
+
+bool UniqueIDBDatabaseIdentifier::isNull() const
+{
+    // Only a default constructed UniqueIDBDatabaseIdentifier can have a null database name.
+    return m_databaseName.isNull();
+}
+
+bool operator==(const UniqueIDBDatabaseIdentifier&amp; a, const UniqueIDBDatabaseIdentifier&amp; b)
+{
+    if (&amp;a == &amp;b)
+        return true;
+
+    return a.databaseName() == b.databaseName()
+        &amp;&amp; a.openingOrigin() == b.openingOrigin()
+        &amp;&amp; a.mainFrameOrigin() == b.mainFrameOrigin();
+}
+
+} // namespace WebKit
+
+#endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</ins></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseIdentifierh"></a>
<div class="addfile"><h4>Added: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.h (0 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.h                                (rev 0)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseIdentifier.h        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -0,0 +1,84 @@
</span><ins>+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef UniqueIDBDatabaseIdentifier_h
+#define UniqueIDBDatabaseIdentifier_h
+
+#if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+
+#include &quot;SecurityOriginData.h&quot;
+#include &lt;wtf/PassRefPtr.h&gt;
+#include &lt;wtf/RefCounted.h&gt;
+#include &lt;wtf/text/WTFString.h&gt;
+
+namespace WebKit {
+
+class UniqueIDBDatabaseIdentifier {
+public:
+    UniqueIDBDatabaseIdentifier();
+    UniqueIDBDatabaseIdentifier(const String&amp; databaseName, const SecurityOriginData&amp; openingOrigin, const SecurityOriginData&amp; mainFrameOrigin);
+
+    bool isNull() const;
+
+    const String&amp; databaseName() const { return m_databaseName; }
+    const SecurityOriginData&amp; openingOrigin() const { return m_openingOrigin; }
+    const SecurityOriginData&amp; mainFrameOrigin() const { return m_mainFrameOrigin; }
+
+    UniqueIDBDatabaseIdentifier(WTF::HashTableDeletedValueType);
+    bool isHashTableDeletedValue() const;
+    unsigned hash() const;
+
+private:
+    String m_databaseName;
+    SecurityOriginData m_openingOrigin;
+    SecurityOriginData m_mainFrameOrigin;
+};
+
+bool operator==(const UniqueIDBDatabaseIdentifier&amp;, const UniqueIDBDatabaseIdentifier&amp;);
+
+struct UniqueIDBDatabaseIdentifierHash {
+    static unsigned hash(const UniqueIDBDatabaseIdentifier&amp; identifier) { return identifier.hash(); }
+    static bool equal(const UniqueIDBDatabaseIdentifier&amp; a, const UniqueIDBDatabaseIdentifier&amp; b) { return a == b; }
+    static const bool safeToCompareToEmptyOrDeleted = false;
+};
+
+struct UniqueIDBDatabaseIdentifierHashTraits : WTF::SimpleClassHashTraits&lt;UniqueIDBDatabaseIdentifier&gt; {
+    static const bool hasIsEmptyValueFunction = true;
+    static bool isEmptyValue(const UniqueIDBDatabaseIdentifier&amp; info) { return info.isNull(); }
+};
+
+} // namespace WebKit
+
+namespace WTF {
+
+template&lt;&gt; struct HashTraits&lt;WebKit::UniqueIDBDatabaseIdentifier&gt; : WebKit::UniqueIDBDatabaseIdentifierHashTraits { };
+template&lt;&gt; struct DefaultHash&lt;WebKit::UniqueIDBDatabaseIdentifier&gt; {
+    typedef WebKit::UniqueIDBDatabaseIdentifierHash Hash;
+};
+
+} // namespaec WTF
+
+#endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+#endif // UniqueIDBDatabaseIdentifier_h
</ins></span></pre></div>
<a id="trunkSourceWebKit2SharedSecurityOriginDatacpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/SecurityOriginData.cpp (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/SecurityOriginData.cpp        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebKit2/Shared/SecurityOriginData.cpp        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -89,4 +89,14 @@
</span><span class="cx">     callback-&gt;performCallbackWithReturnValue(API::Array::create(std::move(securityOrigins)).get());
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+bool operator==(const SecurityOriginData&amp; a, const SecurityOriginData&amp; b)
+{
+    if (&amp;a == &amp;b)
+        return true;
+
+    return a.protocol == b.protocol
+        &amp;&amp; a.host == b.host
+        &amp;&amp; a.port == b.port;
+}
+
</ins><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedSecurityOriginDatah"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/SecurityOriginData.h (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/SecurityOriginData.h        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebKit2/Shared/SecurityOriginData.h        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -56,6 +56,8 @@
</span><span class="cx"> 
</span><span class="cx"> void performAPICallbackWithSecurityOriginDataVector(const Vector&lt;SecurityOriginData&gt;&amp;, ArrayCallback*);
</span><span class="cx"> 
</span><ins>+bool operator==(const SecurityOriginData&amp;, const SecurityOriginData&amp;);
+
</ins><span class="cx"> } // namespace WebKit
</span><span class="cx"> 
</span><span class="cx"> #endif // SecurityOriginData_h
</span></span></pre></div>
<a id="trunkSourceWebKit2WebKit2xcodeprojprojectpbxproj"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -539,6 +539,10 @@
</span><span class="cx">                 515E7728183DD6F60007203F /* AsyncRequest.h in Headers */ = {isa = PBXBuildFile; fileRef = 515E7726183DD6F60007203F /* AsyncRequest.h */; };
</span><span class="cx">                 515E772B184008B90007203F /* DatabaseProcessCreationParameters.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 515E7729184008B90007203F /* DatabaseProcessCreationParameters.cpp */; };
</span><span class="cx">                 515E772C184008B90007203F /* DatabaseProcessCreationParameters.h in Headers */ = {isa = PBXBuildFile; fileRef = 515E772A184008B90007203F /* DatabaseProcessCreationParameters.h */; };
</span><ins>+                515E772F184015800007203F /* UniqueIDBDatabase.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 515E772D184015800007203F /* UniqueIDBDatabase.cpp */; };
+                515E7730184015800007203F /* UniqueIDBDatabase.h in Headers */ = {isa = PBXBuildFile; fileRef = 515E772E184015800007203F /* UniqueIDBDatabase.h */; };
+                515E773318402D510007203F /* UniqueIDBDatabaseIdentifier.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 515E773118402D510007203F /* UniqueIDBDatabaseIdentifier.cpp */; };
+                515E773418402D510007203F /* UniqueIDBDatabaseIdentifier.h in Headers */ = {isa = PBXBuildFile; fileRef = 515E773218402D510007203F /* UniqueIDBDatabaseIdentifier.h */; };
</ins><span class="cx">                 5160BFE113381DF900918999 /* Logging.mac.mm in Sources */ = {isa = PBXBuildFile; fileRef = 5160BFE013381DF900918999 /* Logging.mac.mm */; };
</span><span class="cx">                 516319921628980A00E22F00 /* NetworkProcessProxyMac.mm in Sources */ = {isa = PBXBuildFile; fileRef = 516319911628980A00E22F00 /* NetworkProcessProxyMac.mm */; };
</span><span class="cx">                 5163199416289A6000E22F00 /* NetworkProcessMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 51ACC9341628064800342550 /* NetworkProcessMessageReceiver.cpp */; };
</span><span class="lines">@@ -2069,6 +2073,10 @@
</span><span class="cx">                 515E7726183DD6F60007203F /* AsyncRequest.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AsyncRequest.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 515E7729184008B90007203F /* DatabaseProcessCreationParameters.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = DatabaseProcessCreationParameters.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 515E772A184008B90007203F /* DatabaseProcessCreationParameters.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DatabaseProcessCreationParameters.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><ins>+                515E772D184015800007203F /* UniqueIDBDatabase.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = UniqueIDBDatabase.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
+                515E772E184015800007203F /* UniqueIDBDatabase.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = UniqueIDBDatabase.h; sourceTree = &quot;&lt;group&gt;&quot;; };
+                515E773118402D510007203F /* UniqueIDBDatabaseIdentifier.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = UniqueIDBDatabaseIdentifier.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
+                515E773218402D510007203F /* UniqueIDBDatabaseIdentifier.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = UniqueIDBDatabaseIdentifier.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</ins><span class="cx">                 5160BFE013381DF900918999 /* Logging.mac.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = Logging.mac.mm; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 516319911628980A00E22F00 /* NetworkProcessProxyMac.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = NetworkProcessProxyMac.mm; path = mac/NetworkProcessProxyMac.mm; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 5167EE9E170377BF007681CA /* DiskCacheMonitor.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DiskCacheMonitor.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="lines">@@ -4057,6 +4065,10 @@
</span><span class="cx">                                 51D0D42E183B34130097041D /* DatabaseProcessIDBConnection.cpp */,
</span><span class="cx">                                 51D0D42F183B34130097041D /* DatabaseProcessIDBConnection.h */,
</span><span class="cx">                                 51D0D430183B34130097041D /* DatabaseProcessIDBConnection.messages.in */,
</span><ins>+                                515E772D184015800007203F /* UniqueIDBDatabase.cpp */,
+                                515E772E184015800007203F /* UniqueIDBDatabase.h */,
+                                515E773118402D510007203F /* UniqueIDBDatabaseIdentifier.cpp */,
+                                515E773218402D510007203F /* UniqueIDBDatabaseIdentifier.h */,
</ins><span class="cx">                         );
</span><span class="cx">                         path = IndexedDB;
</span><span class="cx">                         sourceTree = &quot;&lt;group&gt;&quot;;
</span><span class="lines">@@ -5536,6 +5548,7 @@
</span><span class="cx">                                 BC032DAB10F437D10058C15A /* Connection.h in Headers */,
</span><span class="cx">                                 5136183E163126DA00A99DDE /* ConnectionStack.h in Headers */,
</span><span class="cx">                                 CDC3830C17212282008A2FC3 /* CookieStorageShimLibrary.h in Headers */,
</span><ins>+                                515E7730184015800007203F /* UniqueIDBDatabase.h in Headers */,
</ins><span class="cx">                                 B878B615133428DC006888E9 /* CorrectionPanel.h in Headers */,
</span><span class="cx">                                 2989A414167D184B004F96D2 /* CustomProtocolManager.h in Headers */,
</span><span class="cx">                                 865E0485181A094A001F72F2 /* ViewState.h in Headers */,
</span><span class="lines">@@ -5758,6 +5771,7 @@
</span><span class="cx">                                 BC72B9FB11E6476B001EB4EA /* WebBackForwardListProxy.h in Headers */,
</span><span class="cx">                                 BCF50728124329AA005955AE /* WebCertificateInfo.h in Headers */,
</span><span class="cx">                                 BC032D7510F4378D0058C15A /* WebChromeClient.h in Headers */,
</span><ins>+                                515E773418402D510007203F /* UniqueIDBDatabaseIdentifier.h in Headers */,
</ins><span class="cx">                                 3F87B9BE158940190090FF62 /* WebColorChooser.h in Headers */,
</span><span class="cx">                                 3F87B9C0158940D80090FF62 /* WebColorPicker.h in Headers */,
</span><span class="cx">                                 BC4A6290147312BE006C681A /* WebConnection.h in Headers */,
</span><span class="lines">@@ -6842,8 +6856,10 @@
</span><span class="cx">                                 BC032DAA10F437D10058C15A /* Connection.cpp in Sources */,
</span><span class="cx">                                 1A30EAC6115D7DA30053E937 /* ConnectionMac.cpp in Sources */,
</span><span class="cx">                                 5136183D163126DA00A99DDE /* ConnectionStack.cpp in Sources */,
</span><ins>+                                515E773318402D510007203F /* UniqueIDBDatabaseIdentifier.cpp in Sources */,
</ins><span class="cx">                                 2DA049B7180CCD0A00AAFA9E /* GraphicsLayerCARemote.cpp in Sources */,
</span><span class="cx">                                 378E1A4D18208D700031007A /* WKNSURL.mm in Sources */,
</span><ins>+                                515E772F184015800007203F /* UniqueIDBDatabase.cpp in Sources */,
</ins><span class="cx">                                 2DA049B3180CCCD300AAFA9E /* PlatformCALayerRemote.cpp in Sources */,
</span><span class="cx">                                 CDC3831017212440008A2FC3 /* CookieStorageShim.cpp in Sources */,
</span><span class="cx">                                 B878B616133428DC006888E9 /* CorrectionPanel.mm in Sources */,
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBFactoryBackendcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBFactoryBackend.cpp (159736 => 159737)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBFactoryBackend.cpp        2013-11-24 21:46:43 UTC (rev 159736)
+++ trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBFactoryBackend.cpp        2013-11-24 23:12:28 UTC (rev 159737)
</span><span class="lines">@@ -47,7 +47,7 @@
</span><span class="cx"> 
</span><span class="cx"> namespace WebKit {
</span><span class="cx"> 
</span><del>-typedef HashMap&lt;String, RefPtr&lt;IDBDatabaseBackend&gt;&gt; IDBDatabaseBackendMap;
</del><ins>+typedef HashMap&lt;String, IDBDatabaseBackend*&gt; IDBDatabaseBackendMap;
</ins><span class="cx"> 
</span><span class="cx"> static IDBDatabaseBackendMap&amp; sharedDatabaseBackendMap()
</span><span class="cx"> {
</span><span class="lines">@@ -87,7 +87,7 @@
</span><span class="cx">     if (it == sharedDatabaseBackendMap().end()) {
</span><span class="cx">         RefPtr&lt;IDBServerConnection&gt; serverConnection = WebIDBServerConnection::create(databaseName, openingOrigin, mainFrameOrigin);
</span><span class="cx">         databaseBackend = IDBDatabaseBackend::create(databaseName, databaseIdentifier, this, *serverConnection);
</span><del>-        sharedDatabaseBackendMap().set(databaseIdentifier, databaseBackend);
</del><ins>+        sharedDatabaseBackendMap().set(databaseIdentifier, databaseBackend.get());
</ins><span class="cx">     } else
</span><span class="cx">         databaseBackend = it-&gt;value;
</span><span class="cx"> 
</span><span class="lines">@@ -99,9 +99,9 @@
</span><span class="cx">     notImplemented();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebIDBFactoryBackend::removeIDBDatabaseBackend(const String&amp;)
</del><ins>+void WebIDBFactoryBackend::removeIDBDatabaseBackend(const String&amp; identifier)
</ins><span class="cx"> {
</span><del>-    notImplemented();
</del><ins>+    sharedDatabaseBackendMap().remove(identifier);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebKit
</span></span></pre>
</div>
</div>

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