ui: Add gfx::BufferUsage::SCANOUT_CPU_READ_WRITE.

content/browser/gpu/gpu_internals_ui.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/gpu/gpu_internals_ui.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 286 matching lines @@
   NOTREACHED();
   return nullptr;
 }
 
 const char* BufferUsageToString(gfx::BufferUsage usage) {
   switch (usage) {
     case gfx::BufferUsage::GPU_READ:
       return "GPU_READ";
     case gfx::BufferUsage::SCANOUT:
       return "SCANOUT";
+    case gfx::BufferUsage::SCANOUT_CPU_READ_WRITE:
+      return "SCANOUT_CPU_READ_WRITE";
     case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE:
       return "GPU_READ_CPU_READ_WRITE";
     case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT:
       return "GPU_READ_CPU_READ_WRITE_PERSISTENT";
   }
   NOTREACHED();
   return nullptr;
 }
 
 base::ListValue* CompositorInfo() {
@@ skipping 235 matching lines @@
     : WebUIController(web_ui) {
   web_ui->AddMessageHandler(base::MakeUnique<GpuMessageHandler>());
 
   // Set up the chrome://gpu/ source.
   BrowserContext* browser_context =
       web_ui->GetWebContents()->GetBrowserContext();
   WebUIDataSource::Add(browser_context, CreateGpuHTMLSource());
 }
 
 }  // namespace content