Give Chrome OS more GPU memory

content/common/gpu/gpu_memory_manager.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.
 
 #include "content/common/gpu/gpu_memory_manager.h"
 
 #if defined(ENABLE_GPU)
 
 #include <algorithm>
 
@@ skipping 70 matching lines @@
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kForceGpuMemAvailableMb)) {
     base::StringToSizeT(
       command_line->GetSwitchValueASCII(switches::kForceGpuMemAvailableMb),
       &bytes_available_gpu_memory_);
     bytes_available_gpu_memory_ *= 1024 * 1024;
   } else {
 #if defined(OS_ANDROID)
     bytes_available_gpu_memory_ = 64 * 1024 * 1024;
 #else
+#if defined(OS_CHROMEOS)
+    bytes_available_gpu_memory_ = 1024 * 1024 * 1024;
+#else
     bytes_available_gpu_memory_ = 256 * 1024 * 1024;
 #endif
+#endif
   }
 }
 
 GpuMemoryManager::~GpuMemoryManager() {
   DCHECK(tracking_groups_.empty());
 }
 
 bool GpuMemoryManager::StubWithSurfaceComparator::operator()(
     GpuCommandBufferStubBase* lhs,
     GpuCommandBufferStubBase* rhs) {
@@ skipping 232 matching lines @@
       false);
 
   AssignMemoryAllocations(
       &stub_memory_stats_for_last_manage_,
       stubs_without_surface_hibernated,
       GpuMemoryAllocation(0, GpuMemoryAllocation::kHasNoBuffers),
       false);
 }
 
 #endif