Fifth patch in getting rid of caching MessageLoop pointers.

chrome/browser/tab_contents/web_contents_unittest.cc

 // Copyright (c) 2009 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 "app/message_box_flags.h"
 #include "base/logging.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/renderer_host/render_widget_host_view.h"
 #include "chrome/browser/renderer_host/test/test_render_view_host.h"
+#include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/tab_contents/interstitial_page.h"
 #include "chrome/browser/tab_contents/navigation_controller.h"
 #include "chrome/browser/tab_contents/navigation_entry.h"
 #include "chrome/browser/tab_contents/test_tab_contents.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/pref_service.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/testing_profile.h"
 #include "ipc/ipc_channel.h"
@@ skipping 164 matching lines @@
     DCHECK(interstitial_page_ == interstitial);
     interstitial_page_ = NULL;
   }
 
  private:
   TestInterstitialPage* interstitial_page_;
 };
 
 class TabContentsTest : public RenderViewHostTestHarness {
  public:
-  TabContentsTest() : RenderViewHostTestHarness() {
+  TabContentsTest()
+      : RenderViewHostTestHarness(),
+        ui_thread_(ChromeThread::UI, &message_loop_) {
   }
 
  private:
   // Supply our own profile so we use the correct profile data. The test harness
   // is not supposed to overwrite a profile if it's already created.
   virtual void SetUp() {
     profile_.reset(new TabContentsTestingProfile());
     RenderViewHostTestHarness::SetUp();
   }
+
+  ChromeThread ui_thread_;
 };
 
 // Test to make sure that title updates get stripped of whitespace.
 TEST_F(TabContentsTest, UpdateTitle) {
   ViewHostMsg_FrameNavigate_Params params;
   InitNavigateParams(&params, 0, GURL(chrome::kAboutBlankURL));
 
   NavigationController::LoadCommittedDetails details;
   controller().RendererDidNavigate(params, 0, &details);
 
@@ skipping 1078 matching lines @@
 
   // While the interstitial is showing, let's simulate the hidden page
   // attempting to show a JS message.
   IPC::Message* dummy_message = new IPC::Message;
   bool did_suppress_message = false;
   contents()->RunJavaScriptMessage(L"This is an informative message", L"OK",
       kGURL, MessageBoxFlags::kIsJavascriptAlert, dummy_message,
       &did_suppress_message);
   EXPECT_TRUE(did_suppress_message);
 }