Turn off flushes and sharing for the android GLHelper context.

content/browser/renderer_host/render_widget_host_view_android.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/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include <utility>
 
@@ skipping 161 matching lines @@
                                              kBytesPerPixel;
   WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits limits;
   limits.command_buffer_size = 64 * 1024;
   limits.start_transfer_buffer_size = 64 * 1024;
   limits.min_transfer_buffer_size = 64 * 1024;
   limits.max_transfer_buffer_size = std::min(
       3 * full_screen_texture_size_in_bytes, kDefaultMaxTransferBufferSize);
   limits.mapped_memory_reclaim_limit =
       WebGraphicsContext3DCommandBufferImpl::kNoLimit;
 
-  bool share_resources = true;
-  // TODO(danakj): This should be false probably, it is for the main thread
-  // context which is used for GLHelper.
-  bool automatic_flushes = true;
+  bool share_resources = false;
+  bool automatic_flushes = false;
   GURL url("chrome://gpu/RenderWidgetHostViewAndroid");
 
   std::unique_ptr<WebGraphicsContext3DCommandBufferImpl> context(
       new WebGraphicsContext3DCommandBufferImpl(
           gpu::kNullSurfaceHandle,  // offscreen
           url, gpu_channel_host.get(), attributes, gfx::PreferIntegratedGpu,
           share_resources, automatic_flushes, limits, nullptr));
   provider_ = new ContextProviderCommandBuffer(
       std::move(context), BROWSER_OFFSCREEN_MAINTHREAD_CONTEXT);
   if (!provider_->BindToCurrentThread())
@@ skipping 1822 matching lines @@
   results->orientationAngle = display.RotationAsDegree();
   results->orientationType =
       RenderWidgetHostViewBase::GetOrientationTypeForMobile(display);
   gfx::DeviceDisplayInfo info;
   results->depth = info.GetBitsPerPixel();
   results->depthPerComponent = info.GetBitsPerComponent();
   results->isMonochrome = (results->depthPerComponent == 0);
 }
 
 }  // namespace content