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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/163087">163087</a></dd>
<dt>Author</dt> <dd>beidson@apple.com</dd>
<dt>Date</dt> <dd>2014-01-30 09:49:42 -0800 (Thu, 30 Jan 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>IDB: Add no-op plumbing for deleteDatabase and deleteRange
https://bugs.webkit.org/show_bug.cgi?id=127912

Reviewed by Alexey Proskuryakov.

Forward the calls to the DatabaseProcess, and handle completion from the DatabaseProcess:
* WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp:
(WebKit::WebIDBServerConnection::deleteDatabase):
(WebKit::WebIDBServerConnection::didDeleteDatabase):
(WebKit::WebIDBServerConnection::deleteRange):
(WebKit::WebIDBServerConnection::didDeleteRange):
* WebProcess/Databases/IndexedDB/WebIDBServerConnection.h:
* WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in:

Stub out deleteDatabase, and forward deleteRange to the appropriate UniqueIDBDatabase:
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp:
(WebKit::DatabaseProcessIDBConnection::deleteDatabase):
(WebKit::DatabaseProcessIDBConnection::deleteRange):
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h:
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in:

Forward the request to the backing store thread, and handle the response from that thread:
* DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:
(WebKit::UniqueIDBDatabase::deleteRange):
(WebKit::UniqueIDBDatabase::deleteRangeInBackingStore):
(WebKit::UniqueIDBDatabase::didDeleteRangeInBackingStore):
* DatabaseProcess/IndexedDB/UniqueIDBDatabase.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</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="#trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionmessagesin">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in</a></li>
<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="#trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectioncpp">trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectionh">trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectionmessagesin">trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (163086 => 163087)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-01-30 17:49:13 UTC (rev 163086)
+++ trunk/Source/WebKit2/ChangeLog        2014-01-30 17:49:42 UTC (rev 163087)
</span><span class="lines">@@ -1,3 +1,33 @@
</span><ins>+2014-01-30  Brady Eidson  &lt;beidson@apple.com&gt;
+
+        IDB: Add no-op plumbing for deleteDatabase and deleteRange
+        https://bugs.webkit.org/show_bug.cgi?id=127912
+
+        Reviewed by Alexey Proskuryakov.
+
+        Forward the calls to the DatabaseProcess, and handle completion from the DatabaseProcess:
+        * WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp:
+        (WebKit::WebIDBServerConnection::deleteDatabase):
+        (WebKit::WebIDBServerConnection::didDeleteDatabase):
+        (WebKit::WebIDBServerConnection::deleteRange):
+        (WebKit::WebIDBServerConnection::didDeleteRange):
+        * WebProcess/Databases/IndexedDB/WebIDBServerConnection.h:
+        * WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in:
+
+        Stub out deleteDatabase, and forward deleteRange to the appropriate UniqueIDBDatabase:
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp:
+        (WebKit::DatabaseProcessIDBConnection::deleteDatabase):
+        (WebKit::DatabaseProcessIDBConnection::deleteRange):
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h:
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in:
+
+        Forward the request to the backing store thread, and handle the response from that thread:
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:
+        (WebKit::UniqueIDBDatabase::deleteRange):
+        (WebKit::UniqueIDBDatabase::deleteRangeInBackingStore):
+        (WebKit::UniqueIDBDatabase::didDeleteRangeInBackingStore):
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabase.h:
+
</ins><span class="cx"> 2014-01-30  Antti Koivisto  &lt;antti@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         WebPage::determinePrimarySnapshottedPlugIn is slow
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp (163086 => 163087)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp        2014-01-30 17:49:13 UTC (rev 163086)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp        2014-01-30 17:49:42 UTC (rev 163087)
</span><span class="lines">@@ -79,6 +79,14 @@
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void DatabaseProcessIDBConnection::deleteDatabase(uint64_t requestID, const String&amp; databaseName)
+{
+    LOG(IDB, &quot;DatabaseProcess deleteDatabase request ID %llu&quot;, requestID);
+
+    // FIXME: Implement
+    send(Messages::WebIDBServerConnection::DidDeleteDatabase(requestID, false));
+}
+
</ins><span class="cx"> void DatabaseProcessIDBConnection::openTransaction(uint64_t requestID, int64_t transactionID, const Vector&lt;int64_t&gt;&amp; objectStoreIDs, uint64_t intMode)
</span><span class="cx"> {
</span><span class="cx">     ASSERT(m_uniqueIDBDatabase);
</span><span class="lines">@@ -157,7 +165,7 @@
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void DatabaseProcessIDBConnection::createObjectStore(uint64_t requestID, int64_t transactionID, WebCore::IDBObjectStoreMetadata metadata)
</del><ins>+void DatabaseProcessIDBConnection::createObjectStore(uint64_t requestID, int64_t transactionID, IDBObjectStoreMetadata metadata)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(m_uniqueIDBDatabase);
</span><span class="cx"> 
</span><span class="lines">@@ -190,7 +198,7 @@
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void DatabaseProcessIDBConnection::createIndex(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, const WebCore::IDBIndexMetadata&amp; metadata)
</del><ins>+void DatabaseProcessIDBConnection::createIndex(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, const IDBIndexMetadata&amp; metadata)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(m_uniqueIDBDatabase);
</span><span class="cx"> 
</span><span class="lines">@@ -212,7 +220,7 @@
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void DatabaseProcessIDBConnection::putRecord(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, const WebCore::IDBKeyData&amp; key, const IPC::DataReference&amp; value, int64_t putMode, const Vector&lt;int64_t&gt;&amp; indexIDs, const Vector&lt;Vector&lt;WebCore::IDBKeyData&gt;&gt;&amp; indexKeys)
</del><ins>+void DatabaseProcessIDBConnection::putRecord(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, const IDBKeyData&amp; key, const IPC::DataReference&amp; value, int64_t putMode, const Vector&lt;int64_t&gt;&amp; indexIDs, const Vector&lt;Vector&lt;IDBKeyData&gt;&gt;&amp; indexKeys)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(m_uniqueIDBDatabase);
</span><span class="cx"> 
</span><span class="lines">@@ -246,10 +254,22 @@
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void DatabaseProcessIDBConnection::openCursor(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, int64_t cursorDirection, int64_t cursorType, int64_t taskType, const WebCore::IDBKeyRangeData&amp; keyRangeData)
</del><ins>+void DatabaseProcessIDBConnection::deleteRange(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, const IDBKeyRangeData&amp; keyRangeData)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(m_uniqueIDBDatabase);
</span><span class="cx"> 
</span><ins>+    LOG(IDB, &quot;DatabaseProcess deleteRange request ID %llu, object store id %lli&quot;, requestID, objectStoreID);
+
+    RefPtr&lt;DatabaseProcessIDBConnection&gt; connection(this);
+    m_uniqueIDBDatabase-&gt;deleteRange(IDBIdentifier(*this, transactionID), objectStoreID, keyRangeData, [connection, requestID](uint32_t errorCode, const String&amp; errorMessage) {
+        connection-&gt;send(Messages::WebIDBServerConnection::DidDeleteRange(requestID, errorCode, errorMessage));
+    });
+}
+
+void DatabaseProcessIDBConnection::openCursor(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, int64_t cursorDirection, int64_t cursorType, int64_t taskType, const IDBKeyRangeData&amp; keyRangeData)
+{
+    ASSERT(m_uniqueIDBDatabase);
+
</ins><span class="cx">     LOG(IDB, &quot;DatabaseProcess openCursor request ID %llu, object store id %lli&quot;, requestID, objectStoreID);
</span><span class="cx">     RefPtr&lt;DatabaseProcessIDBConnection&gt; connection(this);
</span><span class="cx">     m_uniqueIDBDatabase-&gt;openCursor(IDBIdentifier(*this, transactionID), objectStoreID, indexID, static_cast&lt;IndexedDB::CursorDirection&gt;(cursorDirection), static_cast&lt;IndexedDB::CursorType&gt;(cursorType), static_cast&lt;IDBDatabaseBackend::TaskType&gt;(taskType), keyRangeData, [connection, requestID](int64_t cursorID, uint32_t errorCode, const String&amp; errorMessage) {
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h (163086 => 163087)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h        2014-01-30 17:49:13 UTC (rev 163086)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h        2014-01-30 17:49:42 UTC (rev 163087)
</span><span class="lines">@@ -68,6 +68,7 @@
</span><span class="cx">     // Message handlers.
</span><span class="cx">     void establishConnection(const String&amp; databaseName, const SecurityOriginData&amp; openingOrigin, const SecurityOriginData&amp; mainFrameOrigin);
</span><span class="cx">     void getOrEstablishIDBDatabaseMetadata(uint64_t requestID);
</span><ins>+    void deleteDatabase(uint64_t requestID, const String&amp; databaseName);
</ins><span class="cx">     void openTransaction(uint64_t requestID, int64_t transactionID, const Vector&lt;int64_t&gt;&amp; objectStoreIDs, uint64_t transactionMode);
</span><span class="cx">     void beginTransaction(uint64_t requestID, int64_t transactionID);
</span><span class="cx">     void commitTransaction(uint64_t requestID, int64_t transactionID);
</span><span class="lines">@@ -87,6 +88,7 @@
</span><span class="cx">     void cursorIterate(uint64_t requestID, int64_t cursorID, const WebCore::IDBKeyData&amp;);
</span><span class="cx"> 
</span><span class="cx">     void count(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&amp;);
</span><ins>+    void deleteRange(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, const WebCore::IDBKeyRangeData&amp; keyRange);
</ins><span class="cx"> 
</span><span class="cx">     Ref&lt;DatabaseToWebProcessConnection&gt; m_connection;
</span><span class="cx">     uint64_t m_serverConnectionIdentifier;
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionmessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in (163086 => 163087)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in        2014-01-30 17:49:13 UTC (rev 163086)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in        2014-01-30 17:49:42 UTC (rev 163087)
</span><span class="lines">@@ -25,6 +25,7 @@
</span><span class="cx"> messages -&gt; DatabaseProcessIDBConnection LegacyReceiver {
</span><span class="cx">     EstablishConnection(String databaseName, WebKit::SecurityOriginData openingOrigin, WebKit::SecurityOriginData mainFrameOrigin)
</span><span class="cx">     GetOrEstablishIDBDatabaseMetadata(uint64_t requestID)
</span><ins>+    DeleteDatabase(uint64_t requestID, String databaseName)
</ins><span class="cx"> 
</span><span class="cx">     OpenTransaction(uint64_t requestID, int64_t transactionID, Vector&lt;int64_t&gt; objectStoreIDs, uint64_t transactionMode)
</span><span class="cx">     BeginTransaction(uint64_t requestID, int64_t transactionID)
</span><span class="lines">@@ -47,6 +48,7 @@
</span><span class="cx">     CursorIterate(uint64_t requestID, int64_t cursorID, WebCore::IDBKeyData key)
</span><span class="cx">     
</span><span class="cx">     Count(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, WebCore::IDBKeyRangeData keyRange)
</span><ins>+    DeleteRange(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, WebCore::IDBKeyRangeData keyRange)
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabasecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp (163086 => 163087)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp        2014-01-30 17:49:13 UTC (rev 163086)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp        2014-01-30 17:49:42 UTC (rev 163087)
</span><span class="lines">@@ -636,6 +636,27 @@
</span><span class="cx">     postDatabaseTask(createAsyncTask(*this, &amp;UniqueIDBDatabase::countInBackingStore, requestID, transactionIdentifier, objectStoreID, indexID, keyRangeData));
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void UniqueIDBDatabase::deleteRange(const IDBIdentifier&amp; transactionIdentifier, int64_t objectStoreID, const IDBKeyRangeData&amp; keyRangeData, std::function&lt;void(uint32_t, const String&amp;)&gt; callback)
+{
+    ASSERT(isMainThread());
+
+    if (!m_acceptingNewRequests) {
+        callback(INVALID_STATE_ERR, &quot;Unable to deleteRange from database because it has shut down&quot;);
+        return;
+    }
+
+    RefPtr&lt;AsyncRequest&gt; request = AsyncRequestImpl&lt;uint32_t, const String&amp;&gt;::create([callback](uint32_t errorCode, const String&amp; errorMessage) {
+        callback(errorCode, errorMessage);
+    }, [callback]() {
+        callback(INVALID_STATE_ERR, &quot;Unable to deleteRange from database&quot;);
+    });
+
+    uint64_t requestID = request-&gt;requestID();
+    m_pendingDatabaseTasks.add(requestID, request.release());
+
+    postDatabaseTask(createAsyncTask(*this, &amp;UniqueIDBDatabase::deleteRangeInBackingStore, requestID, transactionIdentifier, objectStoreID, keyRangeData));
+}
+
</ins><span class="cx"> void UniqueIDBDatabase::openBackingStoreTransaction(const IDBIdentifier&amp; transactionIdentifier, const Vector&lt;int64_t&gt;&amp; objectStoreIDs, IndexedDB::TransactionMode mode)
</span><span class="cx"> {
</span><span class="cx">     ASSERT(!isMainThread());
</span><span class="lines">@@ -916,6 +937,21 @@
</span><span class="cx">     request-&gt;completeRequest(count, errorCode, errorMessage);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void UniqueIDBDatabase::deleteRangeInBackingStore(uint64_t requestID, const IDBIdentifier&amp; transactionIdentifier, int64_t objectStoreID, const IDBKeyRangeData&amp;)
+{
+    // FIXME: Implement
+
+    postMainThreadTask(createAsyncTask(*this, &amp;UniqueIDBDatabase::didDeleteRangeInBackingStore, requestID, IDBDatabaseException::UnknownError, ASCIILiteral(&quot;deleteRange in backing store not supported yet&quot;)));
+}
+
+void UniqueIDBDatabase::didDeleteRangeInBackingStore(uint64_t requestID, uint32_t errorCode, const String&amp; errorMessage)
+{
+    RefPtr&lt;AsyncRequest&gt; request = m_pendingDatabaseTasks.take(requestID);
+    ASSERT(request);
+
+    request-&gt;completeRequest(errorCode, errorMessage);
+}
+
</ins><span class="cx"> String UniqueIDBDatabase::absoluteDatabaseDirectory() const
</span><span class="cx"> {
</span><span class="cx">     ASSERT(isMainThread());
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h (163086 => 163087)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h        2014-01-30 17:49:13 UTC (rev 163086)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h        2014-01-30 17:49:42 UTC (rev 163087)
</span><span class="lines">@@ -92,6 +92,7 @@
</span><span class="cx">     void cursorIterate(const IDBIdentifier&amp; cursorIdentifier, const WebCore::IDBKeyData&amp;, std::function&lt;void(WebCore::IDBKeyData, WebCore::IDBKeyData, PassRefPtr&lt;WebCore::SharedBuffer&gt;, uint32_t, const String&amp;)&gt; callback);
</span><span class="cx"> 
</span><span class="cx">     void count(const IDBIdentifier&amp; transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&amp;, std::function&lt;void(int64_t, uint32_t, const String&amp;)&gt; callback);
</span><ins>+    void deleteRange(const IDBIdentifier&amp; transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyRangeData&amp;, std::function&lt;void(uint32_t, const String&amp;)&gt; callback);
</ins><span class="cx"> 
</span><span class="cx"> private:
</span><span class="cx">     UniqueIDBDatabase(const UniqueIDBDatabaseIdentifier&amp;);
</span><span class="lines">@@ -142,6 +143,7 @@
</span><span class="cx">     void advanceCursorInBackingStore(uint64_t requestID, const IDBIdentifier&amp; cursorIdentifier, uint64_t count);
</span><span class="cx">     void iterateCursorInBackingStore(uint64_t requestID, const IDBIdentifier&amp; cursorIdentifier, const WebCore::IDBKeyData&amp;);
</span><span class="cx">     void countInBackingStore(uint64_t requestID, const IDBIdentifier&amp; transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&amp;);
</span><ins>+    void deleteRangeInBackingStore(uint64_t requestID, const IDBIdentifier&amp; transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyRangeData&amp;);
</ins><span class="cx"> 
</span><span class="cx">     void shutdownBackingStore();
</span><span class="cx"> 
</span><span class="lines">@@ -161,6 +163,7 @@
</span><span class="cx">     void didAdvanceCursorInBackingStore(uint64_t requestID, const WebCore::IDBKeyData&amp;, const WebCore::IDBKeyData&amp;, const Vector&lt;char&gt;&amp;, uint32_t errorCode, const String&amp; errorMessage);
</span><span class="cx">     void didIterateCursorInBackingStore(uint64_t requestID, const WebCore::IDBKeyData&amp;, const WebCore::IDBKeyData&amp;, const Vector&lt;char&gt;&amp;, uint32_t errorCode, const String&amp; errorMessage);
</span><span class="cx">     void didCountInBackingStore(uint64_t requestID, int64_t count, uint32_t errorCode, const String&amp; errorMessage);
</span><ins>+    void didDeleteRangeInBackingStore(uint64_t requestID, uint32_t errorCode, const String&amp; errorMessage);
</ins><span class="cx"> 
</span><span class="cx">     void didShutdownBackingStore();
</span><span class="cx">     void didCompleteBoolRequest(uint64_t requestID, bool success);
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp (163086 => 163087)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp        2014-01-30 17:49:13 UTC (rev 163086)
+++ trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp        2014-01-30 17:49:42 UTC (rev 163087)
</span><span class="lines">@@ -85,8 +85,33 @@
</span><span class="cx"> 
</span><span class="cx"> void WebIDBServerConnection::deleteDatabase(const String&amp; name, BoolCallbackFunction successCallback)
</span><span class="cx"> {
</span><ins>+    RefPtr&lt;AsyncRequest&gt; serverRequest = AsyncRequestImpl&lt;bool&gt;::create(successCallback);
+
+    serverRequest-&gt;setAbortHandler([successCallback]() {
+        successCallback(false);
+    });
+
+    uint64_t requestID = serverRequest-&gt;requestID();
+    ASSERT(!m_serverRequests.contains(requestID));
+    m_serverRequests.add(requestID, serverRequest.release());
+
+    LOG(IDB, &quot;WebProcess deleteDatabase request ID %llu&quot;, requestID);
+
+    send(Messages::DatabaseProcessIDBConnection::DeleteDatabase(requestID, name));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebIDBServerConnection::didDeleteDatabase(uint64_t requestID, bool success)
+{
+    LOG(IDB, &quot;WebProcess didDeleteDatabase request ID %llu&quot;, requestID);
+
+    RefPtr&lt;AsyncRequest&gt; serverRequest = m_serverRequests.take(requestID);
+
+    if (!serverRequest)
+        return;
+
+    serverRequest-&gt;completeRequest(success);
+}
+
</ins><span class="cx"> void WebIDBServerConnection::getOrEstablishIDBDatabaseMetadata(GetIDBDatabaseMetadataFunction completionCallback)
</span><span class="cx"> {
</span><span class="cx">     RefPtr&lt;AsyncRequest&gt; serverRequest = AsyncRequestImpl&lt;const IDBDatabaseMetadata&amp;, bool&gt;::create(completionCallback);
</span><span class="lines">@@ -486,10 +511,35 @@
</span><span class="cx">     serverRequest-&gt;completeRequest(count, errorCode ? IDBDatabaseError::create(errorCode, errorMessage) : nullptr);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebIDBServerConnection::deleteRange(IDBTransactionBackend&amp;, const DeleteRangeOperation&amp;, std::function&lt;void(PassRefPtr&lt;IDBDatabaseError&gt;)&gt; completionCallback)
</del><ins>+void WebIDBServerConnection::deleteRange(IDBTransactionBackend&amp; transaction, const DeleteRangeOperation&amp; operation, std::function&lt;void(PassRefPtr&lt;IDBDatabaseError&gt;)&gt; completionCallback)
</ins><span class="cx"> {
</span><ins>+    RefPtr&lt;AsyncRequest&gt; serverRequest = AsyncRequestImpl&lt;PassRefPtr&lt;IDBDatabaseError&gt;&gt;::create(completionCallback);
+
+    serverRequest-&gt;setAbortHandler([completionCallback]() {
+        completionCallback(IDBDatabaseError::create(IDBDatabaseException::UnknownError, &quot;Unknown error occured getting count&quot;));
+    });
+
+    uint64_t requestID = serverRequest-&gt;requestID();
+    ASSERT(!m_serverRequests.contains(requestID));
+    m_serverRequests.add(requestID, serverRequest.release());
+
+    LOG(IDB, &quot;WebProcess deleteRange request ID %llu&quot;, requestID);
+
+    send(Messages::DatabaseProcessIDBConnection::DeleteRange(requestID, transaction.id(), operation.objectStoreID(), IDBKeyRangeData(operation.keyRange())));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebIDBServerConnection::didDeleteRange(uint64_t requestID, uint32_t errorCode, const String&amp; errorMessage)
+{
+    LOG(IDB, &quot;WebProcess didDeleteRange request ID %llu&quot;, requestID);
+
+    RefPtr&lt;AsyncRequest&gt; serverRequest = m_serverRequests.take(requestID);
+
+    if (!serverRequest)
+        return;
+
+    serverRequest-&gt;completeRequest(errorCode ? IDBDatabaseError::create(errorCode, errorMessage) : nullptr);
+}
+
</ins><span class="cx"> void WebIDBServerConnection::clearObjectStore(IDBTransactionBackend&amp;, const ClearObjectStoreOperation&amp; operation, std::function&lt;void(PassRefPtr&lt;IDBDatabaseError&gt;)&gt; completionCallback)
</span><span class="cx"> {
</span><span class="cx">     RefPtr&lt;AsyncRequest&gt; serverRequest = AsyncRequestImpl&lt;PassRefPtr&lt;IDBDatabaseError&gt;&gt;::create(completionCallback);
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h (163086 => 163087)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h        2014-01-30 17:49:13 UTC (rev 163086)
+++ trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h        2014-01-30 17:49:42 UTC (rev 163087)
</span><span class="lines">@@ -96,6 +96,7 @@
</span><span class="cx">     virtual IPC::Connection* messageSenderConnection() override;
</span><span class="cx"> 
</span><span class="cx">     void didGetOrEstablishIDBDatabaseMetadata(uint64_t requestID, bool success, const WebCore::IDBDatabaseMetadata&amp;);
</span><ins>+    void didDeleteDatabase(uint64_t requestID, bool success);
</ins><span class="cx">     void didOpenTransaction(uint64_t requestID, bool success);
</span><span class="cx">     void didBeginTransaction(uint64_t requestID, bool success);
</span><span class="cx">     void didCommitTransaction(uint64_t requestID, bool success);
</span><span class="lines">@@ -113,6 +114,7 @@
</span><span class="cx">     void didAdvanceCursor(uint64_t requestID, WebCore::IDBKeyData&amp;, WebCore::IDBKeyData&amp;, const IPC::DataReference&amp;, uint32_t errorCode, const String&amp; errorMessage);
</span><span class="cx">     void didIterateCursor(uint64_t requestID, WebCore::IDBKeyData&amp;, WebCore::IDBKeyData&amp;, const IPC::DataReference&amp;, uint32_t errorCode, const String&amp; errorMessage);
</span><span class="cx">     void didCount(uint64_t requestID, int64_t count, uint32_t errorCode, const String&amp; errorMessage);
</span><ins>+    void didDeleteRange(uint64_t requestID, uint32_t errorCode, const String&amp; errorMessage);
</ins><span class="cx"> 
</span><span class="cx">     uint64_t m_serverConnectionIdentifier;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectionmessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in (163086 => 163087)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in        2014-01-30 17:49:13 UTC (rev 163086)
+++ trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in        2014-01-30 17:49:42 UTC (rev 163087)
</span><span class="lines">@@ -24,6 +24,7 @@
</span><span class="cx"> 
</span><span class="cx"> messages -&gt; WebIDBServerConnection LegacyReceiver {
</span><span class="cx">     DidGetOrEstablishIDBDatabaseMetadata(uint64_t requestID, bool success, WebCore::IDBDatabaseMetadata metadata)
</span><ins>+    DidDeleteDatabase(uint64_t requestID, bool success)
</ins><span class="cx"> 
</span><span class="cx">     DidOpenTransaction(uint64_t requestID, bool success)
</span><span class="cx">     DidBeginTransaction(uint64_t requestID, bool success)
</span><span class="lines">@@ -43,6 +44,7 @@
</span><span class="cx">     DidAdvanceCursor(uint64_t requestID, WebCore::IDBKeyData key, WebCore::IDBKeyData primaryKey, IPC::DataReference value, uint32_t errorCode, String errorMessage)
</span><span class="cx">     DidIterateCursor(uint64_t requestID, WebCore::IDBKeyData key, WebCore::IDBKeyData primaryKey, IPC::DataReference value, uint32_t errorCode, String errorMessage)
</span><span class="cx">     DidCount(uint64_t requestID, int64_t count, uint32_t errorCode, String errorMessage)
</span><ins>+    DidDeleteRange(uint64_t requestID, uint32_t errorCode, String errorMessage)
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</span></span></pre>
</div>
</div>

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