Allow GPU channels to be created when using SwiftShader

content/renderer/render_widget.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 532 matching lines @@
 
   // Tell the browser about the actions permitted for a new touch point.
   void setTouchAction(blink::WebTouchAction touch_action) override;
 
   // Called when value of focused text field gets dirty, e.g. value is modified
   // by script, not by user input.
   void didUpdateTextOfFocusedElementByNonUserInput() override;
 
   // Creates a 3D context associated with this view.
   scoped_ptr<WebGraphicsContext3DCommandBufferImpl> CreateGraphicsContext3D(
-      bool compositor);
+      GpuChannelHost* gpu_channel_host);
 
   // Routing ID that allows us to communicate to the parent browser process
   // RenderWidgetHost. When MSG_ROUTING_NONE, no messages may be sent.
   int32_t routing_id_;
 
   // Dependencies for initializing a compositor, including flags for optional
   // features.
   CompositorDependencies* const compositor_deps_;
 
   // We are responsible for destroying this object via its Close method.
@@ skipping 190 matching lines @@
 
   scoped_ptr<scheduler::RenderWidgetSchedulingState>
       render_widget_scheduling_state_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_