Mandoline: Add WebGL support

components/html_viewer/blink_platform_impl.h

Index: components/html_viewer/blink_platform_impl.h
diff --git a/components/html_viewer/blink_platform_impl.h b/components/html_viewer/blink_platform_impl.h
index e55fe1629169b03a2b88665d6e8e3194efe8c356..952c355a3d162a98417cf06148706e8b30168b98 100644
--- a/components/html_viewer/blink_platform_impl.h
+++ b/components/html_viewer/blink_platform_impl.h
@@ -75,6 +75,17 @@ class BlinkPlatformImpl : public blink::Platform {
   virtual blink::WebScrollbarBehavior* scrollbarBehavior();
   virtual const unsigned char* getTraceCategoryEnabledFlag(
       const char* category_name);
+  virtual blink::WebGraphicsContext3D* createOffscreenGraphicsContext3D(
+      const blink::WebGraphicsContext3D::Attributes& attributes,
+      blink::WebGraphicsContext3D* share_context);
+  virtual blink::WebGraphicsContext3D* createOffscreenGraphicsContext3D(
+      const blink::WebGraphicsContext3D::Attributes& attributes,
+      blink::WebGraphicsContext3D* share_context,
+      blink::WebGLInfo* gl_info);
+  virtual blink::WebGraphicsContext3D* createOffscreenGraphicsContext3D(
+      const blink::WebGraphicsContext3D::Attributes& attributes);
+  virtual blink::WebGraphicsContext3DProvider*
+      createSharedOffscreenGraphicsContext3DProvider();
   virtual blink::WebData loadResource(const char* name);
   virtual blink::WebGestureCurve* createFlingAnimationCurve(
       blink::WebGestureDevice device_source,
@@ -88,6 +99,7 @@ class BlinkPlatformImpl : public blink::Platform {
 
   static void DestroyCurrentThread(void*);
 
+  mojo::ApplicationImpl* app_;
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
   scoped_ptr<scheduler::WebThreadImplForRendererScheduler> main_thread_;
   base::ThreadLocalStorage::Slot current_thread_slot_;