Pepper: Cache the document URL in PepperPluginInstanceImpl

content/renderer/pepper/pepper_plugin_instance_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_instance_impl.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/logging.h"
 #include "base/memory/linked_ptr.h"
@@ skipping 461 matching lines @@
     const GURL& plugin_url)
     : RenderFrameObserver(render_frame),
       render_frame_(render_frame),
       module_(module),
       instance_interface_(instance_interface),
       pp_instance_(0),
       container_(container),
       layer_bound_to_fullscreen_(false),
       layer_is_hardware_(false),
       plugin_url_(plugin_url),
+      document_url_(container ? GURL(container->element().document().url())
+                              : GURL()),
       is_flash_plugin_(module->name() == kFlashPluginName),
       has_been_clicked_(false),
       javascript_used_(false),
       full_frame_(false),
       sent_initial_did_change_view_(false),
       bound_graphics_2d_platform_(NULL),
       bound_compositor_(NULL),
       has_webkit_focus_(false),
       has_content_area_focus_(false),
       find_identifier_(-1),
@@ skipping 65 matching lines @@
 
     // Set the initial focus.
     SetContentAreaFocus(render_frame_->GetRenderWidget()->has_focus());
 
     if (!module_->IsProxied()) {
       PepperBrowserConnection* browser_connection =
           PepperBrowserConnection::Get(render_frame_);
       browser_connection->DidCreateInProcessInstance(
           pp_instance(),
           render_frame_->GetRoutingID(),
-          container_->element().document().url(),
+          document_url_,
           GetPluginURL());
     }
   }
 
   RendererPpapiHostImpl* host_impl = module_->renderer_ppapi_host();
   resource_creation_ = host_impl->CreateInProcessResourceCreationAPI(this);
 
   if (GetContentClient()->renderer() &&  // NULL in unit tests.
       GetContentClient()->renderer()->IsExternalPepperPlugin(module->name()))
     external_document_load_ = true;
@@ skipping 2742 matching lines @@
 
 void PepperPluginInstanceImpl::RecordFlashJavaScriptUse() {
   if (initialized_ && !javascript_used_ && is_flash_plugin_) {
     javascript_used_ = true;
     RenderThread::Get()->RecordAction(
         base::UserMetricsAction("Flash.JavaScriptUsed"));
   }
 }
 
 }  // namespace content