Create child window in GPU process for DirectComposition

ui/gl/gl_surface_egl.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 UI_GL_GL_SURFACE_EGL_H_
 #define UI_GL_GL_SURFACE_EGL_H_
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
@@ skipping 45 matching lines @@
   static EGLDisplay InitializeDisplay();
   static EGLNativeDisplayType GetNativeDisplay();
 
   // These aren't particularly tied to surfaces, but since we already
   // have the static InitializeOneOff here, it's easiest to reuse its
   // initialization guards.
   static const char* GetEGLExtensions();
   static bool HasEGLExtension(const char* name);
   static bool IsCreateContextRobustnessSupported();
   static bool IsEGLSurfacelessContextSupported();
+  static bool IsDirectCompositionSupported();
 
  protected:
   ~GLSurfaceEGL() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GLSurfaceEGL);
 };
 
 // Encapsulates an EGL surface bound to a view.
 class GL_EXPORT NativeViewGLSurfaceEGL : public GLSurfaceEGL {
@@ skipping 29 matching lines @@
 
   // Takes care of the platform dependant bits, of any, for creating the window.
   virtual bool InitializeNativeWindow();
 
  protected:
   ~NativeViewGLSurfaceEGL() override;
 
   EGLNativeWindowType window_;
   EGLConfig config_;
   gfx::Size size_;
+  bool alpha_;
+  bool enable_fixed_size_angle_;
 
   void OnSetSwapInterval(int interval) override;
 
  private:
   // Commit the |pending_overlays_| and clear the vector. Returns false if any
   // fail to be committed.
   bool CommitAndClearPendingOverlays();
 
   EGLSurface surface_;
   bool supports_post_sub_buffer_;
-  bool alpha_;
 
   scoped_ptr<VSyncProvider> vsync_provider_;
 
   int swap_interval_;
 
   std::vector<GLSurfaceOverlay> pending_overlays_;
 
 #if defined(OS_WIN)
   bool vsync_override_;
 
@@ skipping 59 matching lines @@
   ~SurfacelessEGL() override;
 
  private:
   gfx::Size size_;
   DISALLOW_COPY_AND_ASSIGN(SurfacelessEGL);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_SURFACE_EGL_H_