android: Use hw acceleration in android_webview_shell

gpu/command_buffer/service/in_process_command_buffer.cc

 // Copyright 2013 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 "gpu/command_buffer/service/in_process_command_buffer.h"
 
 #include <queue>
 #include <set>
 #include <utility>
 
@@ skipping 280 matching lines @@
                  params);
 
   base::WaitableEvent completion(true, false);
   bool result = false;
   QueueTask(
       base::Bind(&RunTaskWithResult<bool>, init_task, &result, &completion));
   completion.Wait();
 
   if (result) {
     capabilities_ = capabilities;
-    capabilities_.map_image =
-        capabilities_.map_image && g_gpu_memory_buffer_factory;
+    capabilities_.map_image = false;

[no sievers, 2014/07/22 20:53:18]

force async upload path. i tried using GLImageShm also, but got cmdbuffer parse
errors - did not investigate further yet.

+//        capabilities_.map_image && g_gpu_memory_buffer_factory;
   }
   return result;
 }
 
 bool InProcessCommandBuffer::InitializeOnGpuThread(
     const InitializeOnGpuThreadParams& params) {
   CheckSequencedThread();
   gpu_thread_weak_ptr_ = gpu_thread_weak_ptr_factory_.GetWeakPtr();
 
   DCHECK(params.size.width() >= 0 && params.size.height() >= 0);
@@ skipping 520 matching lines @@
 }
 #endif
 
 // static
 void InProcessCommandBuffer::SetGpuMemoryBufferFactory(
     InProcessGpuMemoryBufferFactory* factory) {
   g_gpu_memory_buffer_factory = factory;
 }
 
 }  // namespace gpu