Patch from https://codereview.chromium.org/11111005/ without actual file deletes

cc/prioritized_texture_manager.cc

 // 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 "base/stl_util.h"
 #include "CCPrioritizedTexture.h"
@@ skipping 332 matching lines @@
     texture->setAbovePriorityCutoff(false);
 }
 
 void CCPrioritizedTextureManager::returnBackingTexture(CCPrioritizedTexture* texture)
 {
     ASSERT(CCProxy::isMainThread() || (CCProxy::isImplThread() && CCProxy::isMainThreadBlocked()));
     if (texture->backing())
         texture->unlink();
 }
 
-CCPrioritizedTexture::Backing* CCPrioritizedTextureManager::createBacking(IntSize size, GC3Denum format, CCResourceProvider* resourceProvider)
+CCPrioritizedTexture::Backing* CCPrioritizedTextureManager::createBacking(IntSize size, GLenum format, CCResourceProvider* resourceProvider)
 {
     ASSERT(CCProxy::isImplThread() && CCProxy::isMainThreadBlocked());
     ASSERT(resourceProvider);
     CCResourceProvider::ResourceId resourceId = resourceProvider->createResource(m_pool, size, format, CCResourceProvider::TextureUsageAny);
     CCPrioritizedTexture::Backing* backing = new CCPrioritizedTexture::Backing(resourceId, resourceProvider, size, format);
     m_memoryUseBytes += backing->bytes();
     // Put backing texture at the front for eviction, since it isn't in use yet.
     m_backings.insertBefore(m_backings.begin(), backing);
     return backing;
 }
@@ skipping 56 matching lines @@
         if (reachedUnrecyclable)
             ASSERT(!(*it)->canBeRecycled());
         else
             ASSERT((*it)->canBeRecycled());
     }
 }
 #endif
 
 
 } // namespace cc