Add CCDelegatingRenderer, and corresponding IPCs

cc/CCPrioritizedTextureManager.cpp

 // Copyright 2012 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 "config.h"
 
 #include "CCPrioritizedTextureManager.h"
 
 #include "CCPrioritizedTexture.h"
 #include "CCPriorityCalculator.h"
@@ skipping 165 matching lines @@
     // Make sure that the backings list is up to date and sorted before traversing it.
     updateBackingsPriorities();
 
     // Find a backing below, by either recycling or allocating.
     CCPrioritizedTexture::Backing* backing = 0;
 
     // First try to recycle
     for (BackingSet::iterator it = m_backings.begin(); it != m_backings.end(); ++it) {
         if ((*it)->hadOwnerAtLastPriorityUpdate() && (*it)->wasAbovePriorityCutoffAtLastPriorityUpdate())
             break;
-        if ((*it)->size() == texture->size() && (*it)->format() == texture->format()) {
+        if ((*it)->size() == texture->size() && (*it)->format() == texture->format() && !resourceProvider->inUseByConsumer((*it)->id())) {
             backing = (*it);
             break;
         }
     }
 
     // Otherwise reduce memory and just allocate a new backing texures.
     if (!backing) {
         evictBackingsToReduceMemory(m_memoryAvailableBytes - texture->bytes(), RespectManagerPriorityCutoff, resourceProvider);
         backing = createBacking(texture->size(), texture->format(), resourceProvider);
     }
@@ skipping 203 matching lines @@
         if (reachedAboveCutoff) {
             ASSERT((*it)->hadOwnerAtLastPriorityUpdate() && (*it)->wasAbovePriorityCutoffAtLastPriorityUpdate());
             ASSERT(reachedOwned);
         }
     }
 }
 #endif
 
 
 } // namespace cc