Allow WebExternalTextureLayerClient to work with mailboxes.

webkit/plugins/ppapi/ppapi_plugin_instance.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 "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 1698 matching lines @@
     texture_layer_->ClearClient();
     if (!layer_bound_to_fullscreen_)
       container_->setWebLayer(NULL);
     else if (fullscreen_container_)
       fullscreen_container_->SetLayer(NULL);
     web_layer_.reset();
     texture_layer_ = NULL;
   }
   if (want_layer) {
     DCHECK(bound_graphics_3d_.get());
-    texture_layer_ = cc::TextureLayer::Create(this);
+    texture_layer_ = cc::TextureLayer::Create(this, false);
     web_layer_.reset(new WebKit::WebLayerImpl(texture_layer_));
     if (fullscreen_container_)
       fullscreen_container_->SetLayer(web_layer_.get());
     else
       container_->setWebLayer(web_layer_.get());
     texture_layer_->SetContentsOpaque(bound_graphics_3d_->IsOpaque());
   }
   layer_bound_to_fullscreen_ = !!fullscreen_container_;
 }
 
@@ skipping 352 matching lines @@
 unsigned PluginInstance::prepareTexture(cc::ResourceUpdateQueue&) {
   return GetBackingTextureId();
 }
 
 WebKit::WebGraphicsContext3D* PluginInstance::context() {
   DCHECK(bound_graphics_3d_.get());
   DCHECK(bound_graphics_3d_->platform_context());
   return bound_graphics_3d_->platform_context()->GetParentContext();
 }
 
+bool PluginInstance::prepareTextureMailbox(cc::TextureMailbox*) {
+  return false;
+}
+
 void PluginInstance::NumberOfFindResultsChanged(PP_Instance instance,
                                                 int32_t total,
                                                 PP_Bool final_result) {
   DCHECK_NE(find_identifier_, -1);
   delegate_->NumberOfFindResultsChanged(find_identifier_, total,
                                         PP_ToBool(final_result));
 }
 
 void PluginInstance::SelectedFindResultChanged(PP_Instance instance,
                                                int32_t index) {
@@ skipping 386 matching lines @@
   screen_size_for_fullscreen_ = gfx::Size();
   WebElement element = container_->element();
   element.setAttribute(WebString::fromUTF8(kWidth), width_before_fullscreen_);
   element.setAttribute(WebString::fromUTF8(kHeight), height_before_fullscreen_);
   element.setAttribute(WebString::fromUTF8(kBorder), border_before_fullscreen_);
   element.setAttribute(WebString::fromUTF8(kStyle), style_before_fullscreen_);
 }
 
 }  // namespace ppapi
 }  // namespace webkit