Handle the ViewHostMsg_RunFileChooser IPC message which is sent by content(renderer) in RVH and

chrome/browser/extensions/extension_host.cc

 // Copyright (c) 2011 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 "chrome/browser/extensions/extension_host.h"
 
 #include <list>
 
 #include "base/memory/singleton.h"
 #include "base/message_loop.h"
@@ skipping 565 matching lines @@
     view_->HandleMouseLeave();
 #endif
 }
 
 void ExtensionHost::HandleMouseUp() {
 }
 
 void ExtensionHost::HandleMouseActivate() {
 }
 
+void ExtensionHost::RunFileChooser(
+    RenderViewHost* render_view_host,
+    const ViewHostMsg_RunFileChooser_Params& params) {
+  // This object is destroyed when the file selection is performed or
+  // cancelled.
+  FileSelectHelper* file_select_helper = new FileSelectHelper(profile());
+  file_select_helper->RunFileChooser(render_view_host,
+                                     GetAssociatedTabContents(),
+                                     params);
+}
+
 void ExtensionHost::CreateNewWindow(
     int route_id,
     const ViewHostMsg_CreateWindow_Params& params) {
   // TODO(aa): Use the browser's profile if the extension is split mode
   // incognito.
   Profile* profile = Profile::FromBrowserContext(
       render_view_host()->process()->browser_context());
   TabContents* new_contents = delegate_view_helper_.CreateNewWindow(
       route_id,
       profile,
@@ skipping 160 matching lines @@
 void ExtensionHost::TakeFocus(bool reverse) {
 }
 
 ViewType::Type ExtensionHost::GetRenderViewType() const {
   return extension_host_type_;
 }
 
 bool ExtensionHost::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExtensionHost, message)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_RunFileChooser, OnRunFileChooser)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void ExtensionHost::OnRequest(const ExtensionHostMsg_Request_Params& params) {
   extension_function_dispatcher_.Dispatch(params, render_view_host_);
 }
 
 const GURL& ExtensionHost::GetURL() const {
   return url_;
 }
 
 void ExtensionHost::RenderViewCreated(RenderViewHost* render_view_host) {
   if (view_.get())
     view_->RenderViewCreated();
 
   if (extension_host_type_ == ViewType::EXTENSION_POPUP ||
       extension_host_type_ == ViewType::EXTENSION_INFOBAR) {
     render_view_host->Send(new ViewMsg_EnablePreferredSizeChangedMode(
         render_view_host->routing_id(),
         kPreferredSizeWidth | kPreferredSizeHeightThisIsSlow));
   }
 }
-
-void ExtensionHost::OnRunFileChooser(
-    const ViewHostMsg_RunFileChooser_Params& params) {
-  if (file_select_helper_.get() == NULL)
-    file_select_helper_.reset(new FileSelectHelper(profile()));
-  file_select_helper_->RunFileChooser(render_view_host_,
-                                      GetAssociatedTabContents(), params);
-}