gpu: Remove WebGraphicsContext3D::makeContextCurrent()

content/renderer/media/android/webmediaplayer_android.cc

 // Copyright 2013 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.
 
 #include "content/renderer/media/android/webmediaplayer_android.h"
 
 #include <limits>
 
 #include "base/android/build_info.h"
 #include "base/bind.h"
@@ skipping 503 matching lines @@
 void WebMediaPlayerAndroid::paint(blink::WebCanvas* canvas,
                                   const blink::WebRect& rect,
                                   unsigned char alpha) {
   DCHECK(main_thread_checker_.CalledOnValidThread());
   scoped_ptr<blink::WebGraphicsContext3DProvider> provider =
     scoped_ptr<blink::WebGraphicsContext3DProvider>(blink::Platform::current(
       )->createSharedOffscreenGraphicsContext3DProvider());
   if (!provider)
     return;
   blink::WebGraphicsContext3D* context3D = provider->context3d();
-  if (!context3D || !context3D->makeContextCurrent())
+  if (!context3D)
     return;
 
   // Copy video texture into a RGBA texture based bitmap first as video texture
   // on Android is GL_TEXTURE_EXTERNAL_OES which is not supported by Skia yet.
   // The bitmap's size needs to be the same as the video and use naturalSize()
   // here. Check if we could reuse existing texture based bitmap.
   // Otherwise, release existing texture based bitmap and allocate
   // a new one based on video size.
   if (!EnsureTextureBackedSkBitmap(provider->grContext(), bitmap_,
       naturalSize(), kTopLeft_GrSurfaceOrigin, kSkia8888_GrPixelConfig)) {
@@ skipping 1186 matching lines @@
     player_manager_->EnterFullscreen(player_id_, frame_);
     SetNeedsEstablishPeer(false);
   }
 }
 
 bool WebMediaPlayerAndroid::canEnterFullscreen() const {
   return player_manager_->CanEnterFullscreen(frame_);
 }
 
 }  // namespace content