Move ZoomObserver, ZoomController and ZoomEventManager to components/.

chrome/browser/extensions/api/tabs/tabs_test.cc

 // Copyright (c) 2012 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 <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_service.h"
@@ skipping 785 matching lines @@
       browser(),
       url,
       NEW_FOREGROUND_TAB,
       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
   return  browser()->tab_strip_model()->GetActiveWebContents();
 }
 
 namespace {
 
 double GetZoomLevel(const content::WebContents* web_contents) {
-  return ZoomController::FromWebContents(web_contents)->GetZoomLevel();
+  return components::ZoomController::FromWebContents(web_contents)
+      ->GetZoomLevel();
 }
 
 content::OpenURLParams GetOpenParams(const char* url) {
   return content::OpenURLParams(GURL(url),
                                 content::Referrer(),
                                 NEW_FOREGROUND_TAB,
                                 ui::PAGE_TRANSITION_LINK,
                                 false);
 }
 
@@ skipping 140 matching lines @@
   // Test chrome.tabs.setZoom().
   error = RunSetZoomExpectError(tab_id, 3.14159);
   EXPECT_TRUE(MatchPattern(error, manifest_errors::kCannotAccessChromeUrl));
 
   // chrome.tabs.setZoomSettings().
   error = RunSetZoomSettingsExpectError(tab_id, "manual", "per-tab");
   EXPECT_TRUE(MatchPattern(error, manifest_errors::kCannotAccessChromeUrl));
 }
 
 }  // namespace extensions