GLImage support for Android zero-copy pixel buffers

ui/gl/gl_image_mac.cc

Index: ui/gl/gl_image_mac.cc
diff --git a/ui/gl/gl_image_mac.cc b/ui/gl/gl_image_mac.cc
index a4b522aff62385d481d045a109c52f47bf4137b9..b488472b733430f4e17a85169fbd6bf17381dbeb 100644
--- a/ui/gl/gl_image_mac.cc
+++ b/ui/gl/gl_image_mac.cc
@@ -26,4 +26,21 @@ scoped_refptr<GLImage> GLImage::CreateGLImage(gfx::PluginWindowHandle window) {
   }
 }
 
+scoped_refptr<GLImage> GLImage::CreateGLImageForGraphicBuffer(
+    gfx::PixelBufferHandle buffer, const gfx::Size& size) {
+  TRACE_EVENT0("gpu", "GLImage::CreateGLImageForGraphicBuffer");
+  switch (GetGLImplementation()) {
+    case kGLImplementationOSMesaGL:
+    case kGLImplementationDesktopGL:
+    case kGLImplementationAppleGL: {
+      return NULL;
+    }
+    case kGLImplementationMockGL:
+      return new GLImageStub;
+    default:
+      NOTREACHED();
+      return NULL;
+  }
+}
+
 }  // namespace gfx