Switch content tests to use BrowserThreadImpl directly.

content/browser/renderer_host/render_widget_host_unittest.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 "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/timer.h"
+#include "content/browser/browser_thread_impl.h"
 #include "content/browser/renderer_host/backing_store.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/test/test_browser_context.h"
-#include "content/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/gfx/canvas_skia.h"
 
 using base::TimeDelta;
 
+using content::BrowserThreadImpl;
+
 using WebKit::WebInputEvent;
 using WebKit::WebMouseWheelEvent;
 
 namespace gfx {
 class Size;
 }
 
 // RenderWidgetHostProcess -----------------------------------------------------
 
 class RenderWidgetHostProcess : public MockRenderProcessHost {
@@ skipping 484 matching lines @@
   backing = host_->GetBackingStore(true);
   EXPECT_TRUE(backing);
   EXPECT_FALSE(process_->sink().GetUniqueMessageMatching(ViewMsg_Repaint::ID));
   EXPECT_FALSE(process_->sink().GetUniqueMessageMatching(
       ViewMsg_UpdateRect_ACK::ID));
 }
 
 // Test that we don't paint when we're hidden, but we still send the ACK. Most
 // of the rest of the painting is tested in the GetBackingStore* ones.
 TEST_F(RenderWidgetHostTest, HiddenPaint) {
-  content::TestBrowserThread ui_thread(BrowserThread::UI,
-                                       MessageLoop::current());
+  BrowserThreadImpl ui_thread(BrowserThread::UI, MessageLoop::current());
   // Hide the widget, it should have sent out a message to the renderer.
   EXPECT_FALSE(host_->is_hidden_);
   host_->WasHidden();
   EXPECT_TRUE(host_->is_hidden_);
   EXPECT_TRUE(process_->sink().GetUniqueMessageMatching(ViewMsg_WasHidden::ID));
 
   // Send it an update as from the renderer.
   process_->sink().ClearMessages();
   ViewHostMsg_UpdateRect_Params params;
   process_->InitUpdateRectParams(&params);
@@ skipping 194 matching lines @@
   // Start it again to ensure it still works.
   EXPECT_FALSE(host_->unresponsive_timer_fired());
   host_->StartHangMonitorTimeout(TimeDelta::FromMilliseconds(10));
 
   // Wait long enough for first timeout and see if it fired.
   MessageLoop::current()->PostDelayedTask(FROM_HERE,
                                           new MessageLoop::QuitTask(), 10);
   MessageLoop::current()->Run();
   EXPECT_TRUE(host_->unresponsive_timer_fired());
 }