cc: Don't leak the texture returned in CopyOutputRequest ever.

cc/output/gl_renderer.h

 // Copyright 2010 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.
 
 #ifndef CC_OUTPUT_GL_RENDERER_H_
 #define CC_OUTPUT_GL_RENDERER_H_
 
 #include "base/cancelable_callback.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_vector.h"
@@ skipping 194 matching lines @@
       const AsyncGetFramebufferPixelsCleanupCallback& cleanup_callback,
       unsigned source_buffer,
       unsigned query,
       uint8_t* dest_pixels,
       gfx::Size size);
   void PassOnSkBitmap(scoped_ptr<SkBitmap> bitmap,
                       scoped_ptr<SkAutoLockPixels> lock,
                       scoped_ptr<CopyOutputRequest> request,
                       bool success);
 
-  static void DeleteTextureReleaseCallback(
-      scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-      base::WeakPtr<GLRenderer> gl_renderer,
-      unsigned texture_id,
-      unsigned sync_point,
-      bool lost_resource);
-  void DeleteTextureReleaseCallbackOnImplThread(unsigned texture_id,
-                                                unsigned sync_point,
-                                                bool lost_resource);
-
   void ReinitializeGrCanvas();
   void ReinitializeGLState();
 
   virtual void DiscardBackbuffer() OVERRIDE;
   virtual void EnsureBackbuffer() OVERRIDE;
   void EnforceMemoryPolicy();
 
   RendererCapabilities capabilities_;
 
   unsigned offscreen_framebuffer_id_;
@@ skipping 217 matching lines @@
   struct PendingAsyncReadPixels;
   ScopedPtrVector<PendingAsyncReadPixels> pending_async_read_pixels_;
 
   scoped_ptr<ResourceProvider::ScopedWriteLockGL> current_framebuffer_lock_;
 
   scoped_refptr<ResourceProvider::Fence> last_swap_fence_;
 
   SkBitmap on_demand_tile_raster_bitmap_;
   ResourceProvider::ResourceId on_demand_tile_raster_resource_id_;
 
-  base::WeakPtrFactory<GLRenderer> weak_factory_;
-
   DISALLOW_COPY_AND_ASSIGN(GLRenderer);
 };
 
 // Setting DEBUG_GL_CALLS to 1 will call glGetError() after almost every GL
 // call made by the compositor. Useful for debugging rendering issues but
 // will significantly degrade performance.
 #define DEBUG_GL_CALLS 0
 
 #if DEBUG_GL_CALLS && !defined(NDEBUG)
 #define GLC(context, x)                                                        \
   (x, GLRenderer::DebugGLCall(&* context, #x, __FILE__, __LINE__))
 #else
 #define GLC(context, x) (x)
 #endif
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_GL_RENDERER_H_