Pepper: Cache the document URL in PepperPluginInstanceImpl

content/renderer/pepper/renderer_ppapi_host_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
@@ skipping 81 matching lines @@
       base::PlatformFile handle,
       bool should_close_source) override;
   bool IsRunningInProcess() const override;
   std::string GetPluginName() const override;
   void SetToExternalPluginHost() override;
   void CreateBrowserResourceHosts(
       PP_Instance instance,
       const std::vector<IPC::Message>& nested_msgs,
       const base::Callback<void(const std::vector<int>&)>& callback)
       const override;
-  GURL GetDocumentURL(PP_Instance instance) const override;
+  GURL GetDocumentURL(PP_Instance pp_instance) const override;
 
  private:
   RendererPpapiHostImpl(PluginModule* module,
                         ppapi::proxy::HostDispatcher* dispatcher,
                         const ppapi::PpapiPermissions& permissions);
   RendererPpapiHostImpl(PluginModule* module,
                         const ppapi::PpapiPermissions& permissions);
 
   // Retrieves the plugin instance object associated with the given PP_Instance
   // and validates that it is one of the instances associated with our module.
@@ skipping 19 matching lines @@
 
   // Whether this is a host for external plugins.
   bool is_external_plugin_host_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererPpapiHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_