Stop using the WebView::sharedGraphicsContext3D interface.

content/renderer/pepper/pepper_plugin_delegate_impl.cc

 // Copyright (c) 2012 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/pepper/pepper_plugin_delegate_impl.h"
 
 #include <cmath>
 #include <cstddef>
 #include <map>
 #include <queue>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util_proxy.h"
 #include "base/logging.h"
 #include "base/strings/string_split.h"
 #include "base/sync_socket.h"
 #include "base/time.h"
 #include "content/common/child_process.h"
 #include "content/common/child_process_messages.h"
 #include "content/common/child_thread.h"
 #include "content/common/fileapi/file_system_dispatcher.h"
 #include "content/common/fileapi/file_system_messages.h"
+#include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/pepper_messages.h"
 #include "content/common/pepper_plugin_registry.h"
 #include "content/common/quota_dispatcher.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/common/media_stream_request.h"
 #include "content/public/common/referrer.h"
 #include "content/public/renderer/content_renderer_client.h"
@@ skipping 1531 matching lines @@
       NOTREACHED();
       return 0;
   }
 #else
   return 0;
 #endif
 }
 
 WebGraphicsContext3DCommandBufferImpl*
 PepperPluginDelegateImpl::GetParentContextForPlatformContext3D() {
-  WebGraphicsContext3DCommandBufferImpl* context =
-      static_cast<WebGraphicsContext3DCommandBufferImpl*>(
-          render_view_->webview()->sharedGraphicsContext3D());
-  if (!context)
-    return NULL;
-  if (!context->makeContextCurrent() || context->isContextLost())
-    return NULL;
+  if (!offscreen_context3d_ || offscreen_context3d_->DestroyedOnMainThread()) {
+    offscreen_context3d_ =
+        RenderThreadImpl::current()->OffscreenContextProviderForMainThread();
 
-  return context;
+    if (!offscreen_context3d_->InitializeOnMainThread() ||
+        !offscreen_context3d_->BindToCurrentThread()) {
+      offscreen_context3d_ = NULL;
+      return NULL;
+    }
+  }
+  return offscreen_context3d_->Context3d();
 }
 
 MouseLockDispatcher::LockTarget*
     PepperPluginDelegateImpl::GetOrCreateLockTargetAdapter(
     webkit::ppapi::PluginInstance* instance) {
   MouseLockDispatcher::LockTarget* target = mouse_lock_instances_[instance];
   if (target)
     return target;
 
   return mouse_lock_instances_[instance] =
@@ skipping 17 matching lines @@
     RenderWidgetFullscreenPepper* container =
         static_cast<RenderWidgetFullscreenPepper*>(
             instance->fullscreen_container());
     return container->mouse_lock_dispatcher();
   } else {
     return render_view_->mouse_lock_dispatcher();
   }
 }
 
 }  // namespace content