Send memory management policies to the tile manager

cc/thread_proxy.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/thread_proxy.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "cc/delay_based_time_source.h"
 #include "cc/draw_quad.h"
@@ skipping 379 matching lines @@
 }
 
 void ThreadProxy::sendManagedMemoryStats()
 {
     DCHECK(isImplThread());
     if (!m_layerTreeHostImpl.get())
         return;
     if (!m_layerTreeHost->contentsTextureManager())
         return;
 
+    // If we are using impl-side painting, then sendManagedMemoryStats is called
+    // directly after the tile manager's manage function, and doesn't need to
+    // interact with main thread's layer tree.
+    if (m_layerTreeHost->settings().implSidePainting)
+        return;
+
     m_layerTreeHostImpl->sendManagedMemoryStats(
         m_layerTreeHost->contentsTextureManager()->memoryVisibleBytes(),
         m_layerTreeHost->contentsTextureManager()->memoryVisibleAndNearbyBytes(),
         m_layerTreeHost->contentsTextureManager()->memoryUseBytes());
 }
 
 void ThreadProxy::setNeedsRedraw()
 {
     DCHECK(isMainThread());
     TRACE_EVENT0("cc", "ThreadProxy::setNeedsRedraw");
@@ skipping 596 matching lines @@
 }
 
 void ThreadProxy::commitPendingOnImplThreadForTesting(CommitPendingRequest* request)
 {
     DCHECK(isImplThread());
     request->commitPending = m_schedulerOnImplThread->commitPending();
     request->completion.signal();
 }
 
 }  // namespace cc