Add a status message "Waiting for extension Foo..." when there's a request

content/browser/tab_contents/tab_contents.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 "content/browser/tab_contents/tab_contents.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 160 matching lines @@
       ALLOW_THIS_IN_INITIALIZER_LIST(controller_(
           this, browser_context, session_storage_namespace)),
       ALLOW_THIS_IN_INITIALIZER_LIST(view_(
           TabContentsView::Create(this))),
       ALLOW_THIS_IN_INITIALIZER_LIST(render_manager_(this, this)),
       is_loading_(false),
       crashed_status_(base::TERMINATION_STATUS_STILL_RUNNING),
       crashed_error_code_(0),
       waiting_for_response_(false),
       max_page_id_(-1),
-      load_state_(net::LOAD_STATE_IDLE),
+      load_state_(net::LOAD_STATE_IDLE, string16()),
       upload_size_(0),
       upload_position_(0),
       displayed_insecure_content_(false),
       capturing_contents_(false),
       is_being_destroyed_(false),
       notify_disconnection_(false),
 #if defined(OS_WIN)
       message_box_active_(CreateEvent(NULL, TRUE, FALSE, NULL)),
 #endif
       is_showing_before_unload_dialog_(false),
@@ skipping 879 matching lines @@
 }
 
 // Notifies the RenderWidgetHost instance about the fact that the page is
 // loading, or done loading and calls the base implementation.
 void TabContents::SetIsLoading(bool is_loading,
                                LoadNotificationDetails* details) {
   if (is_loading == is_loading_)
     return;
 
   if (!is_loading) {
-    load_state_ = net::LOAD_STATE_IDLE;
+    load_state_ = net::LoadStateWithParam(net::LOAD_STATE_IDLE, string16());
     load_state_host_.clear();
     upload_size_ = 0;
     upload_position_ = 0;
   }
 
   render_manager_.SetIsLoading(is_loading);
 
   is_loading_ = is_loading;
   waiting_for_response_ = is_loading;
 
@@ skipping 696 matching lines @@
   if (delegate())
     delegate()->RendererUnresponsive(this);
 }
 
 void TabContents::RendererResponsive(RenderViewHost* render_view_host) {
   if (delegate())
     delegate()->RendererResponsive(this);
 }
 
 void TabContents::LoadStateChanged(const GURL& url,
-                                   net::LoadState load_state,
+                                   const net::LoadStateWithParam& load_state,
                                    uint64 upload_position,
                                    uint64 upload_size) {
   load_state_ = load_state;
   upload_position_ = upload_position;
   upload_size_ = upload_size;
   load_state_host_ = net::IDNToUnicode(url.host(),
       content::GetContentClient()->browser()->GetAcceptLangs(this));
-  if (load_state_ == net::LOAD_STATE_READING_RESPONSE)
+  if (load_state_.state == net::LOAD_STATE_READING_RESPONSE)
     SetNotWaitingForResponse();
   if (IsLoading())
     NotifyNavigationStateChanged(INVALIDATE_LOAD | INVALIDATE_TAB);
 }
 
 void TabContents::WorkerCrashed() {
   if (delegate())
     delegate()->WorkerCrashed(this);
 }
 
@@ skipping 95 matching lines @@
 }
 
 void TabContents::SwapInRenderViewHost(RenderViewHost* rvh) {
   render_manager_.SwapInRenderViewHost(rvh);
 }
 
 void TabContents::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = view()->CreateViewForWidget(rvh);
   rwh_view->SetSize(view()->GetContainerSize());
 }