Add PERSISTENT_MAP usage for GpuMemoryBuffers.

content/browser/renderer_host/render_process_host_impl.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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1120 matching lines @@
   DCHECK_IMPLIES(IsOneCopyUploadEnabled(), !IsZeroCopyUploadEnabled());
   if (IsZeroCopyUploadEnabled())
     command_line->AppendSwitch(switches::kEnableZeroCopy);
   if (!IsOneCopyUploadEnabled())
     command_line->AppendSwitch(switches::kDisableOneCopy);
 
   if (IsForceGpuRasterizationEnabled())
     command_line->AppendSwitch(switches::kForceGpuRasterization);
 
   command_line->AppendSwitchASCII(
-      switches::kUseImageTextureTarget,
-      base::UintToString(
-          BrowserGpuChannelHostFactory::GetImageTextureTarget()));
+      switches::kMapImageTextureTarget,
+      base::UintToString(BrowserGpuChannelHostFactory::GetImageTextureTarget(
+          gfx::GpuMemoryBuffer::MAP)));
+  command_line->AppendSwitchASCII(
+      switches::kPersistentMapImageTextureTarget,
+      base::UintToString(BrowserGpuChannelHostFactory::GetImageTextureTarget(
+          gfx::GpuMemoryBuffer::PERSISTENT_MAP)));
 
   // Appending disable-gpu-feature switches due to software rendering list.
   GpuDataManagerImpl* gpu_data_manager = GpuDataManagerImpl::GetInstance();
   DCHECK(gpu_data_manager);
   gpu_data_manager->AppendRendererCommandLine(command_line);
 }
 
 void RenderProcessHostImpl::AppendRendererCommandLine(
     base::CommandLine* command_line) const {
   // Pass the process type first, so it shows first in process listings.
@@ skipping 1304 matching lines @@
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
 void RenderProcessHostImpl::GetAudioOutputControllers(
     const GetAudioOutputControllersCallback& callback) const {
   audio_renderer_host()->GetOutputControllers(callback);
 }
 
 }  // namespace content