Move most of the remaining users of WebContentsObserver::tab_contents() to use web_contents().

chrome/test/base/ui_test_utils.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/test/base/ui_test_utils.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
@@ skipping 50 matching lines @@
 #include "ui/gfx/size.h"
 
 #if defined(TOOLKIT_VIEWS)
 #include "ui/views/focus/accelerator_handler.h"
 #endif
 
 #if defined(USE_AURA)
 #include "ui/aura/root_window.h"
 #endif
 
+using content::WebContents;
+
 static const int kDefaultWsPort = 8880;
 
 namespace ui_test_utils {
 
 namespace {
 
 class DOMOperationObserver : public content::NotificationObserver,
                              public content::WebContentsObserver {
  public:
   explicit DOMOperationObserver(RenderViewHost* render_view_host)
@@ skipping 35 matching lines @@
 
 class FindInPageNotificationObserver : public content::NotificationObserver {
  public:
   explicit FindInPageNotificationObserver(TabContentsWrapper* parent_tab)
       : parent_tab_(parent_tab),
         active_match_ordinal_(-1),
         number_of_matches_(0) {
     current_find_request_id_ =
         parent_tab->find_tab_helper()->current_find_request_id();
     registrar_.Add(this, chrome::NOTIFICATION_FIND_RESULT_AVAILABLE,
-                   content::Source<TabContents>(parent_tab_->tab_contents()));
+                   content::Source<WebContents>(parent_tab_->tab_contents()));
     ui_test_utils::RunMessageLoop();
   }
 
   int active_match_ordinal() const { return active_match_ordinal_; }
 
   int number_of_matches() const { return number_of_matches_; }
 
   virtual void Observe(int type, const content::NotificationSource& source,
                        const content::NotificationDetails& details) {
     if (type == chrome::NOTIFICATION_FIND_RESULT_AVAILABLE) {
@@ skipping 935 matching lines @@
   return taker.TakeRenderWidgetSnapshot(rwh, page_size, page_size, bitmap);
 }
 
 bool TakeEntirePageSnapshot(RenderViewHost* rvh, SkBitmap* bitmap) {
   DCHECK(bitmap);
   SnapshotTaker taker;
   return taker.TakeEntirePageSnapshot(rvh, bitmap);
 }
 
 }  // namespace ui_test_utils