Mac Overlays: Add GPU back-pressure

ui/gl/gl_gl_api_implementation.h

Index: ui/gl/gl_gl_api_implementation.h
diff --git a/ui/gl/gl_gl_api_implementation.h b/ui/gl/gl_gl_api_implementation.h
index a5197fed774418c6f6cfe8d338828febd1dfd761..cfefb1384bcdd77a0a1fbbcfde4256acbde8695f 100644
--- a/ui/gl/gl_gl_api_implementation.h
+++ b/ui/gl/gl_gl_api_implementation.h
@@ -36,6 +36,7 @@ void ClearGLBindingsGL();
 void SetGLToRealGLApi();
 void SetGLApi(GLApi* api);
 void SetGLApiToNoContext();
+GLApi* GetCurrentGLApi();

[tapted, 2015/08/06 00:56:49]

remove stray? (I don't think this is defined)

[ccameron, 2015/08/06 01:42:47]

This is needed by ScopedSetGLToRealGLApi (it used to be an effectively-static
function, now it's needed in another file).

 const GLVersionInfo* GetGLVersionInfo();
 
 class GL_EXPORT GLApiBase : public GLApi {
@@ -139,15 +140,6 @@ private:
   std::string extensions_;
 };
 
-class GL_EXPORT ScopedSetGLToRealGLApi {
- public:
-  ScopedSetGLToRealGLApi();
-  ~ScopedSetGLToRealGLApi();
-
- private:
-  GLApi* old_gl_api_;
-};
-
 }  // namespace gfx
 
 #endif  // UI_GL_GL_GL_API_IMPLEMENTATION_H_