Remove WebGraphicsContext3D::getGLES2Interface().

media/blink/webmediaplayer_impl.cc

Index: media/blink/webmediaplayer_impl.cc
diff --git a/media/blink/webmediaplayer_impl.cc b/media/blink/webmediaplayer_impl.cc
index 6d8aa58fd6c246cc9b98d58affd31c9533bb53b3..bcc32c897537d8224ae65bc459795c36abb5a6bd 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -756,7 +756,7 @@ size_t WebMediaPlayerImpl::videoDecodedByteCount() const {
 }
 
 bool WebMediaPlayerImpl::copyVideoTextureToPlatformTexture(
-    blink::WebGraphicsContext3D* web_graphics_context,
+    gpu::gles2::GLES2Interface* gl,
     unsigned int texture,
     unsigned int internal_format,
     unsigned int type,
@@ -771,11 +771,6 @@ bool WebMediaPlayerImpl::copyVideoTextureToPlatformTexture(
     return false;
   }
 
-  // TODO(dshwang): need more elegant way to convert WebGraphicsContext3D to
-  // GLES2Interface.
-  gpu::gles2::GLES2Interface* gl =
-      static_cast<gpu_blink::WebGraphicsContext3DImpl*>(web_graphics_context)
-          ->GetGLInterface();
   SkCanvasVideoRenderer::CopyVideoFrameSingleTextureToGLTexture(
       gl, video_frame.get(), texture, internal_format, type, premultiply_alpha,
       flip_y);