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

chrome/browser/ui/find_bar/find_tab_helper.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/ui/find_bar/find_tab_helper.h"
 
 #include <vector>
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/find_bar/find_bar_state.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/common/stop_find_action.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFindOptions.h"
 
 using WebKit::WebFindOptions;
+using content::WebContents;
 
 // static
 int FindTabHelper::find_request_id_counter_ = -1;
 
 FindTabHelper::FindTabHelper(TabContents* tab_contents)
     : content::WebContentsObserver(tab_contents),
       find_ui_active_(false),
       find_op_aborted_(false),
       current_find_request_id_(find_request_id_counter_++),
       last_search_case_sensitive_(false),
       last_search_result_() {
 }
 
 FindTabHelper::~FindTabHelper() {
 }
 
 void FindTabHelper::StartFinding(string16 search_string,
                                  bool forward_direction,
                                  bool case_sensitive) {
   // If search_string is empty, it means FindNext was pressed with a keyboard
   // shortcut so unless we have something to search for we return early.
   if (search_string.empty() && find_text_.empty()) {
     Profile* profile =
-        Profile::FromBrowserContext(tab_contents()->GetBrowserContext());
+        Profile::FromBrowserContext(web_contents()->GetBrowserContext());
     string16 last_search_prepopulate_text =
         FindBarState::GetLastPrepopulateText(profile);
 
     // Try the last thing we searched for on this tab, then the last thing
     // searched for on any tab.
     if (!previous_find_text_.empty())
       search_string = previous_find_text_;
     else if (!last_search_prepopulate_text.empty())
       search_string = last_search_prepopulate_text;
     else
@@ skipping 16 matching lines @@
     current_find_request_id_ = find_request_id_counter_++;
 
   if (!search_string.empty())
     find_text_ = search_string;
   last_search_case_sensitive_ = case_sensitive;
 
   find_op_aborted_ = false;
 
   // Keep track of what the last search was across the tabs.
   Profile* profile =
-      Profile::FromBrowserContext(tab_contents()->GetBrowserContext());
+      Profile::FromBrowserContext(web_contents()->GetBrowserContext());
   FindBarState* find_bar_state = profile->GetFindBarState();
   find_bar_state->set_last_prepopulate_text(find_text_);
 
   WebFindOptions options;
   options.forward = forward_direction;
   options.matchCase = case_sensitive;
   options.findNext = find_next;
-  tab_contents()->GetRenderViewHost()->Find(current_find_request_id_,
+  web_contents()->GetRenderViewHost()->Find(current_find_request_id_,
                                             find_text_, options);
 }
 
 void FindTabHelper::StopFinding(
     FindBarController::SelectionAction selection_action) {
   if (selection_action == FindBarController::kClearSelection) {
     // kClearSelection means the find string has been cleared by the user, but
     // the UI has not been dismissed. In that case we want to clear the
     // previously remembered search (http://crbug.com/42639).
     previous_find_text_ = string16();
@@ skipping 14 matching lines @@
     case FindBarController::kKeepSelection:
       action = content::STOP_FIND_ACTION_KEEP_SELECTION;
       break;
     case FindBarController::kActivateSelection:
       action = content::STOP_FIND_ACTION_ACTIVATE_SELECTION;
       break;
     default:
       NOTREACHED();
       action = content::STOP_FIND_ACTION_KEEP_SELECTION;
   }
-  tab_contents()->GetRenderViewHost()->StopFinding(action);
+  web_contents()->GetRenderViewHost()->StopFinding(action);
 }
 
 void FindTabHelper::HandleFindReply(int request_id,
                                     int number_of_matches,
                                     const gfx::Rect& selection_rect,
                                     int active_match_ordinal,
                                     bool final_update) {
   // Ignore responses for requests that have been aborted.
   // Ignore responses for requests other than the one we have most recently
   // issued. That way we won't act on stale results when the user has
   // already typed in another query.
   if (!find_op_aborted_ && request_id == current_find_request_id_) {
     if (number_of_matches == -1)
       number_of_matches = last_search_result_.number_of_matches();
     if (active_match_ordinal == -1)
       active_match_ordinal = last_search_result_.active_match_ordinal();
 
     gfx::Rect selection = selection_rect;
     if (selection.IsEmpty())
       selection = last_search_result_.selection_rect();
 
     // Notify the UI, automation and any other observers that a find result was
     // found.
     last_search_result_ = FindNotificationDetails(
         request_id, number_of_matches, selection, active_match_ordinal,
         final_update);
     content::NotificationService::current()->Notify(
         chrome::NOTIFICATION_FIND_RESULT_AVAILABLE,
-        content::Source<TabContents>(tab_contents()),
+        content::Source<WebContents>(web_contents()),
         content::Details<FindNotificationDetails>(&last_search_result_));
   }
 }