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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/163075">163075</a></dd>
<dt>Author</dt> <dd>beidson@apple.com</dd>
<dt>Date</dt> <dd>2014-01-30 00:16:56 -0800 (Thu, 30 Jan 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>IDB: Implement IDBObjectStore.count()
https://bugs.webkit.org/show_bug.cgi?id=127888

Reviewed by Tim Horton.

Forward request to the DatabaseProcess, and handle its completion:
* WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp:
(WebKit::WebIDBServerConnection::count):
(WebKit::WebIDBServerConnection::didCount):
* WebProcess/Databases/IndexedDB/WebIDBServerConnection.h:
* WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in:

Pass request along to the appropriate UniqueIDBDatabase:
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp:
(WebKit::DatabaseProcessIDBConnection::count):
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h:
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in:

Pass request to backing store thread, then pass it back to the WebProcess:
* DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:
(WebKit::UniqueIDBDatabase::count):
(WebKit::UniqueIDBDatabase::countInBackingStore):
(WebKit::UniqueIDBDatabase::didCountInBackingStore):
* DatabaseProcess/IndexedDB/UniqueIDBDatabase.h:

* Shared/AsyncTask.h:
(WebKit::createAsyncTask):</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="#trunkSourceWebKit2SharedAsyncTaskh">trunk/Source/WebKit2/Shared/AsyncTask.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 (163074 => 163075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-01-30 08:03:24 UTC (rev 163074)
+++ trunk/Source/WebKit2/ChangeLog        2014-01-30 08:16:56 UTC (rev 163075)
</span><span class="lines">@@ -1,3 +1,33 @@
</span><ins>+2014-01-30  Brady Eidson  &lt;beidson@apple.com&gt;
+
+        IDB: Implement IDBObjectStore.count()
+        https://bugs.webkit.org/show_bug.cgi?id=127888
+
+        Reviewed by Tim Horton.
+
+        Forward request to the DatabaseProcess, and handle its completion:
+        * WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp:
+        (WebKit::WebIDBServerConnection::count):
+        (WebKit::WebIDBServerConnection::didCount):
+        * WebProcess/Databases/IndexedDB/WebIDBServerConnection.h:
+        * WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in:
+
+        Pass request along to the appropriate UniqueIDBDatabase:
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp:
+        (WebKit::DatabaseProcessIDBConnection::count):
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h:
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in:
+
+        Pass request to backing store thread, then pass it back to the WebProcess:
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:
+        (WebKit::UniqueIDBDatabase::count):
+        (WebKit::UniqueIDBDatabase::countInBackingStore):
+        (WebKit::UniqueIDBDatabase::didCountInBackingStore):
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabase.h:
+
+        * Shared/AsyncTask.h:
+        (WebKit::createAsyncTask):
+
</ins><span class="cx"> 2014-01-29  Carlos Garcia Campos  &lt;cgarcia@igalia.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Unreviewed. Fix the GTK+ build after r163037.
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp (163074 => 163075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp        2014-01-30 08:03:24 UTC (rev 163074)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp        2014-01-30 08:16:56 UTC (rev 163075)
</span><span class="lines">@@ -234,6 +234,18 @@
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void DatabaseProcessIDBConnection::count(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, const IDBKeyRangeData&amp; keyRangeData)
+{
+    ASSERT(m_uniqueIDBDatabase);
+
+    LOG(IDB, &quot;DatabaseProcess count request ID %llu, object store id %lli&quot;, requestID, objectStoreID);
+
+    RefPtr&lt;DatabaseProcessIDBConnection&gt; connection(this);
+    m_uniqueIDBDatabase-&gt;count(IDBIdentifier(*this, transactionID), objectStoreID, indexID, keyRangeData, [connection, requestID](int64_t count, uint32_t errorCode, const String&amp; errorMessage) {
+        connection-&gt;send(Messages::WebIDBServerConnection::DidCount(requestID, count, errorCode, errorMessage));
+    });
+}
+
</ins><span class="cx"> 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)
</span><span class="cx"> {
</span><span class="cx">     ASSERT(m_uniqueIDBDatabase);
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h (163074 => 163075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h        2014-01-30 08:03:24 UTC (rev 163074)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h        2014-01-30 08:16:56 UTC (rev 163075)
</span><span class="lines">@@ -86,6 +86,8 @@
</span><span class="cx">     void cursorAdvance(uint64_t requestID, int64_t cursorID, uint64_t count);
</span><span class="cx">     void cursorIterate(uint64_t requestID, int64_t cursorID, const WebCore::IDBKeyData&amp;);
</span><span class="cx"> 
</span><ins>+    void count(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&amp;);
+
</ins><span class="cx">     Ref&lt;DatabaseToWebProcessConnection&gt; m_connection;
</span><span class="cx">     uint64_t m_serverConnectionIdentifier;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionmessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in (163074 => 163075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in        2014-01-30 08:03:24 UTC (rev 163074)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in        2014-01-30 08:16:56 UTC (rev 163075)
</span><span class="lines">@@ -45,6 +45,8 @@
</span><span class="cx">     OpenCursor(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, int64_t cursorDirection, int64_t cursorType, int64_t taskType, WebCore::IDBKeyRangeData keyRange)
</span><span class="cx">     CursorAdvance(uint64_t requestID, int64_t cursorID, uint64_t count)
</span><span class="cx">     CursorIterate(uint64_t requestID, int64_t cursorID, WebCore::IDBKeyData key)
</span><ins>+    
+    Count(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, 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 (163074 => 163075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp        2014-01-30 08:03:24 UTC (rev 163074)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp        2014-01-30 08:16:56 UTC (rev 163075)
</span><span class="lines">@@ -615,6 +615,27 @@
</span><span class="cx">     postDatabaseTask(createAsyncTask(*this, &amp;UniqueIDBDatabase::iterateCursorInBackingStore, requestID, cursorIdentifier, key));
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void UniqueIDBDatabase::count(const IDBIdentifier&amp; transactionIdentifier, int64_t objectStoreID, int64_t indexID, const IDBKeyRangeData&amp; keyRangeData, std::function&lt;void(int64_t, uint32_t, const String&amp;)&gt; callback)
+{
+    ASSERT(isMainThread());
+
+    if (!m_acceptingNewRequests) {
+        callback(0, INVALID_STATE_ERR, &quot;Unable to get count from database because it has shut down&quot;);
+        return;
+    }
+
+    RefPtr&lt;AsyncRequest&gt; request = AsyncRequestImpl&lt;int64_t, uint32_t, const String&amp;&gt;::create([this, callback](int64_t count, uint32_t errorCode, const String&amp; errorMessage) {
+        callback(count, errorCode, errorMessage);
+    }, [this, callback]() {
+        callback(0, INVALID_STATE_ERR, &quot;Unable to get count from database&quot;);
+    });
+
+    uint64_t requestID = request-&gt;requestID();
+    m_pendingDatabaseTasks.add(requestID, request.release());
+
+    postDatabaseTask(createAsyncTask(*this, &amp;UniqueIDBDatabase::countInBackingStore, requestID, transactionIdentifier, objectStoreID, indexID, 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">@@ -875,6 +896,21 @@
</span><span class="cx">     request-&gt;completeRequest(key, primaryKey, SharedBuffer::create(value.data(), value.size()), errorCode, errorMessage);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void UniqueIDBDatabase::countInBackingStore(uint64_t requestID, const IDBIdentifier&amp; transactionIdentifier, int64_t objectStoreID, int64_t indexID, const IDBKeyRangeData&amp;)
+{
+    // FIXME: Implement
+
+    postMainThreadTask(createAsyncTask(*this, &amp;UniqueIDBDatabase::didCountInBackingStore, requestID, 0, IDBDatabaseException::UnknownError, ASCIILiteral(&quot;counting in backing store not supported yet&quot;)));
+}
+
+void UniqueIDBDatabase::didCountInBackingStore(uint64_t requestID, int64_t count, uint32_t errorCode, const String&amp; errorMessage)
+{
+    RefPtr&lt;AsyncRequest&gt; request = m_pendingDatabaseTasks.take(requestID);
+    ASSERT(request);
+
+    request-&gt;completeRequest(count, 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 (163074 => 163075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h        2014-01-30 08:03:24 UTC (rev 163074)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h        2014-01-30 08:16:56 UTC (rev 163075)
</span><span class="lines">@@ -91,6 +91,8 @@
</span><span class="cx">     void cursorAdvance(const IDBIdentifier&amp; cursorIdentifier, uint64_t count, std::function&lt;void(WebCore::IDBKeyData, WebCore::IDBKeyData, PassRefPtr&lt;WebCore::SharedBuffer&gt;, uint32_t, const String&amp;)&gt; callback);
</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><ins>+    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);
+
</ins><span class="cx"> private:
</span><span class="cx">     UniqueIDBDatabase(const UniqueIDBDatabaseIdentifier&amp;);
</span><span class="cx"> 
</span><span class="lines">@@ -139,6 +141,7 @@
</span><span class="cx">     void openCursorInBackingStore(uint64_t requestID, const IDBIdentifier&amp; transactionIdentifier, int64_t objectStoreID, int64_t indexID, WebCore::IndexedDB::CursorDirection, WebCore::IndexedDB::CursorType, WebCore::IDBDatabaseBackend::TaskType, const WebCore::IDBKeyRangeData&amp;);
</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><ins>+    void countInBackingStore(uint64_t requestID, const IDBIdentifier&amp; transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&amp;);
</ins><span class="cx"> 
</span><span class="cx">     void shutdownBackingStore();
</span><span class="cx"> 
</span><span class="lines">@@ -157,6 +160,8 @@
</span><span class="cx">     void didOpenCursorInBackingStore(uint64_t requestID, int64_t cursorID, uint32_t errorCode, const String&amp; errorMessage);
</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><ins>+    void didCountInBackingStore(uint64_t requestID, int64_t count, uint32_t errorCode, const String&amp; errorMessage);
+
</ins><span class="cx">     void didShutdownBackingStore();
</span><span class="cx">     void didCompleteBoolRequest(uint64_t requestID, bool success);
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedAsyncTaskh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/AsyncTask.h (163074 => 163075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/AsyncTask.h        2014-01-30 08:03:24 UTC (rev 163074)
+++ trunk/Source/WebKit2/Shared/AsyncTask.h        2014-01-30 08:16:56 UTC (rev 163075)
</span><span class="lines">@@ -134,6 +134,26 @@
</span><span class="cx">         WebCore::CrossThreadCopier&lt;P4&gt;::copy(parameter4));
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+template&lt;typename T, typename P1, typename MP1, typename P2, typename MP2, typename P3, typename MP3, typename P4, typename MP4, typename P5, typename MP5&gt;
+std::unique_ptr&lt;AsyncTask&gt; createAsyncTask(
+    T&amp; callee,
+    void (T::*method)(MP1, MP2, MP3, MP4, MP5),
+    const P1&amp; parameter1,
+    const P2&amp; parameter2,
+    const P3&amp; parameter3,
+    const P4&amp; parameter4,
+    const P5&amp; parameter5)
+{
+    return std::make_unique&lt;AsyncTaskImpl&lt;T, MP1, MP2, MP3, MP4, MP5&gt;&gt;(
+        &amp;callee,
+        method,
+        WebCore::CrossThreadCopier&lt;P1&gt;::copy(parameter1),
+        WebCore::CrossThreadCopier&lt;P2&gt;::copy(parameter2),
+        WebCore::CrossThreadCopier&lt;P3&gt;::copy(parameter3),
+        WebCore::CrossThreadCopier&lt;P4&gt;::copy(parameter4),
+        WebCore::CrossThreadCopier&lt;P5&gt;::copy(parameter5));
+}
+
</ins><span class="cx"> template&lt;typename T, typename P1, typename MP1, typename P2, typename MP2, typename P3, typename MP3, typename P4, typename MP4, typename P5, typename MP5, typename P6, typename MP6&gt;
</span><span class="cx"> std::unique_ptr&lt;AsyncTask&gt; createAsyncTask(
</span><span class="cx">     T&amp; callee,
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp (163074 => 163075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp        2014-01-30 08:03:24 UTC (rev 163074)
+++ trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp        2014-01-30 08:16:56 UTC (rev 163075)
</span><span class="lines">@@ -458,10 +458,35 @@
</span><span class="cx">     serverRequest-&gt;completeRequest(key.maybeCreateIDBKey(), primaryKey.maybeCreateIDBKey(), value.release(), errorCode ? IDBDatabaseError::create(errorCode, errorMessage) : nullptr);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebIDBServerConnection::count(IDBTransactionBackend&amp;, const CountOperation&amp;, std::function&lt;void(int64_t, PassRefPtr&lt;IDBDatabaseError&gt;)&gt; completionCallback)
</del><ins>+void WebIDBServerConnection::count(IDBTransactionBackend&amp; transaction, const CountOperation&amp; operation, std::function&lt;void(int64_t, PassRefPtr&lt;IDBDatabaseError&gt;)&gt; completionCallback)
</ins><span class="cx"> {
</span><ins>+    RefPtr&lt;AsyncRequest&gt; serverRequest = AsyncRequestImpl&lt;int64_t, PassRefPtr&lt;IDBDatabaseError&gt;&gt;::create(completionCallback);
+
+    serverRequest-&gt;setAbortHandler([completionCallback]() {
+        completionCallback(0, 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 count request ID %llu&quot;, requestID);
+
+    send(Messages::DatabaseProcessIDBConnection::Count(requestID, transaction.id(), operation.objectStoreID(), operation.indexID(), IDBKeyRangeData(operation.keyRange())));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebIDBServerConnection::didCount(uint64_t requestID, int64_t count, uint32_t errorCode, const String&amp; errorMessage)
+{
+    LOG(IDB, &quot;WebProcess didCount request ID %llu (error - %s)&quot;, requestID, errorMessage.utf8().data());
+
+    RefPtr&lt;AsyncRequest&gt; serverRequest = m_serverRequests.take(requestID);
+
+    if (!serverRequest)
+        return;
+
+    serverRequest-&gt;completeRequest(count, errorCode ? IDBDatabaseError::create(errorCode, errorMessage) : nullptr);
+}
+
</ins><span class="cx"> void WebIDBServerConnection::deleteRange(IDBTransactionBackend&amp;, const DeleteRangeOperation&amp;, std::function&lt;void(PassRefPtr&lt;IDBDatabaseError&gt;)&gt; completionCallback)
</span><span class="cx"> {
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h (163074 => 163075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h        2014-01-30 08:03:24 UTC (rev 163074)
+++ trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h        2014-01-30 08:16:56 UTC (rev 163075)
</span><span class="lines">@@ -112,6 +112,7 @@
</span><span class="cx">     void didOpenCursor(uint64_t requestID, int64_t cursorID, uint32_t errorCode, const String&amp; errorMessage);
</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><ins>+    void didCount(uint64_t requestID, int64_t count, 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 (163074 => 163075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in        2014-01-30 08:03:24 UTC (rev 163074)
+++ trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in        2014-01-30 08:16:56 UTC (rev 163075)
</span><span class="lines">@@ -40,8 +40,9 @@
</span><span class="cx">     DidPutRecord(uint64_t requestID, WebCore::IDBKeyData resultKey, uint32_t errorCode, String errorMessage)
</span><span class="cx">     DidGetRecord(uint64_t requestID, WebCore::IDBGetResult getResult, uint32_t errorCode, String errorMessage)
</span><span class="cx">     DidOpenCursor(uint64_t requestID, int64_t cursorID, uint32_t errorCode, String errorMessage)
</span><del>-    DidAdvanceCursor(uint64_t requestID, WebCore::IDBKeyData key, WebCore::IDBKeyData primaryKey, IPC::DataReference value, uint32_t errorCode, String errorMessage);
-    DidIterateCursor(uint64_t requestID, WebCore::IDBKeyData key, WebCore::IDBKeyData primaryKey, IPC::DataReference value, uint32_t errorCode, String errorMessage);
</del><ins>+    DidAdvanceCursor(uint64_t requestID, WebCore::IDBKeyData key, WebCore::IDBKeyData primaryKey, IPC::DataReference value, uint32_t errorCode, String errorMessage)
+    DidIterateCursor(uint64_t requestID, WebCore::IDBKeyData key, WebCore::IDBKeyData primaryKey, IPC::DataReference value, uint32_t errorCode, String errorMessage)
+    DidCount(uint64_t requestID, int64_t count, 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>
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