Add calls to EnsureGPUMemoryAvailable into GLES2DecoderImpl

content/common/gpu/gpu_memory_tracking.h

 // Copyright (c) 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.
 
 #ifndef CONTENT_COMMON_GPU_GPU_MEMORY_TRACKING_H_
 #define CONTENT_COMMON_GPU_GPU_MEMORY_TRACKING_H_
 
 #include "base/basictypes.h"
 #include "base/process.h"
 #include "content/common/content_export.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
 
 namespace content {
 
 class GpuMemoryManager;
 
 // All decoders in a context group point to a single GpuMemoryTrackingGroup,
 // which tracks GPU resource consumption for the entire context group.
 class CONTENT_EXPORT GpuMemoryTrackingGroup {
  public:
   ~GpuMemoryTrackingGroup();
   void TrackMemoryAllocatedChange(
       size_t old_size,
       size_t new_size,
       gpu::gles2::MemoryTracker::Pool tracking_pool);
+  bool EnsureGPUMemoryAvailable(size_t size_needed);
   base::ProcessId GetPid() const {
     return pid_;
   }
   size_t GetSize() const {
     return size_;
   }
   gpu::gles2::MemoryTracker* GetMemoryTracker() const {
     return memory_tracker_;
   }
 
@@ skipping 11 matching lines @@
   // non-surface clients should be hibernated.
   bool hibernated_;
 
   gpu::gles2::MemoryTracker* memory_tracker_;
   GpuMemoryManager* memory_manager_;
 };
 
 }  // namespace content
 
 #endif // CONTENT_COMMON_GPU_GPU_MEMORY_TRACKING_H_