Aura: Resize locks with --ui-enable-threaded-compositing

cc/single_thread_proxy.cc

Index: cc/single_thread_proxy.cc
diff --git a/cc/single_thread_proxy.cc b/cc/single_thread_proxy.cc
index 30d88ba74dba5c95835ee18681828fe73b9ec44d..089e836382e46703eb6283fd661f307ca4750fc1 100644
--- a/cc/single_thread_proxy.cc
+++ b/cc/single_thread_proxy.cc
@@ -231,6 +231,10 @@ void SingleThreadProxy::setNeedsRedraw()
     setNeedsCommit();
 }
 
+void SingleThreadProxy::setDeferCommits(bool)
+{
+}
+
 bool SingleThreadProxy::commitRequested() const
 {
     return false;
@@ -316,6 +320,11 @@ bool SingleThreadProxy::commitAndComposite()
     if (!m_layerTreeHost->initializeRendererIfNeeded())
         return false;
 
+    if (m_layerTreeHost->deferCommits()) {
+        TRACE_EVENT0("cc", "EarlyOut_DeferCommits");

[jamesr, 2012/10/23 17:50:44]

I don't think this is right.  In single-threaded mode, the embedder of CC is in
complete control of when commits and composites happen.  They also get to decide
when to call deferCommits().  CC should just do exactly what the embedder asks
and not bail.

[jonathan.backer, 2012/10/23 19:26:42]

Done.

+        return false;
+    }
+
     // Unlink any texture backings that were deleted
     PrioritizedTextureManager::BackingList evictedContentsTexturesBackings;
     {