Replace WGC3D visibility extension with resource_usage extension. [Part 2 of 3]

content/renderer/gpu/renderer_gl_context.h

Index: content/renderer/gpu/renderer_gl_context.h
diff --git a/content/renderer/gpu/renderer_gl_context.h b/content/renderer/gpu/renderer_gl_context.h
index b3a8f74b26e670e15a6e394a4b5a3132b0da5545..abd8246d75f1f8eb9678f32496e3bd461377900a 100644
--- a/content/renderer/gpu/renderer_gl_context.h
+++ b/content/renderer/gpu/renderer_gl_context.h
@@ -16,6 +16,7 @@
 #include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "build/build_config.h"
+#include "ui/gfx/gl/gl_surface.h"
 #include "ui/gfx/gl/gpu_preference.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
@@ -159,8 +160,8 @@ class RendererGLContext : public base::SupportsWeakPtr<RendererGLContext>,
   // task whether the echo succeeds or not.
   bool Echo(const base::Closure& task);
 
-  // Sends an IPC message with the new state of surface visibility
-  bool SetSurfaceVisible(bool visibility);
+  // Sends an IPC message with the new state of resource usage
+  bool SetResourceUsage(gfx::GLSurface::ResourceUsage resourceUsage);
 
   // TODO(gman): Remove this
   void DisableShaderTranslation();