Ozone integration.

ui/gl/gl_surface_glx.h

Index: ui/gl/gl_surface_glx.h
diff --git a/ui/gl/gl_surface_glx.h b/ui/gl/gl_surface_glx.h
index d8fa9a4382baa3d78bd2e1065d192b239905b5a8..aa09418c43a775805e9dce63a3c3523e410e790f 100644
--- a/ui/gl/gl_surface_glx.h
+++ b/ui/gl/gl_surface_glx.h
@@ -62,12 +62,12 @@ class GL_EXPORT NativeViewGLSurfaceGLX : public GLSurfaceGLX,
   void Destroy() override;
   bool Resize(const gfx::Size& size) override;
   bool IsOffscreen() override;
-  bool SwapBuffers() override;
+  gfx::SwapResult SwapBuffers() override;
   gfx::Size GetSize() override;
   void* GetHandle() override;
   bool SupportsPostSubBuffer() override;
   void* GetConfig() override;
-  bool PostSubBuffer(int x, int y, int width, int height) override;
+  gfx::SwapResult PostSubBuffer(int x, int y, int width, int height) override;
   VSyncProvider* GetVSyncProvider() override;
 
  protected:
@@ -106,7 +106,7 @@ class GL_EXPORT PbufferGLSurfaceGLX : public GLSurfaceGLX {
   bool Initialize() override;
   void Destroy() override;
   bool IsOffscreen() override;
-  bool SwapBuffers() override;
+  gfx::SwapResult SwapBuffers() override;
   gfx::Size GetSize() override;
   void* GetHandle() override;
   void* GetConfig() override;