GpuMemoryManager should limit memory allocations based on viewport size for android.

content/common/gpu/gpu_command_buffer_stub.cc

  // 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.
 
 #if defined(ENABLE_GPU)
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 604 matching lines @@
 void GpuCommandBufferStub::AddDestructionObserver(
     DestructionObserver* observer) {
   destruction_observers_.AddObserver(observer);
 }
 
 void GpuCommandBufferStub::RemoveDestructionObserver(
     DestructionObserver* observer) {
   destruction_observers_.RemoveObserver(observer);
 }
 
+gfx::Size GpuCommandBufferStub::GetSurfaceSize() const {
+  if (!surface_)
+    return gfx::Size();
+  return surface_->GetSize();
+}
+
 bool GpuCommandBufferStub::IsInSameContextShareGroup(
     const GpuCommandBufferStubBase& other) const {
   return context_group_ ==
       static_cast<const GpuCommandBufferStub&>(other).context_group_;
 }
 
 bool GpuCommandBufferStub::
     client_has_memory_allocation_changed_callback() const {
   return client_has_memory_allocation_changed_callback_;
 }
@@ skipping 14 matching lines @@
 }
 
 void GpuCommandBufferStub::SetMemoryAllocation(
     const GpuMemoryAllocation& allocation) {
   allocation_ = allocation;
 
   SendMemoryAllocationToProxy(allocation);
 }
 
 #endif  // defined(ENABLE_GPU)