Move ZoomObserver, ZoomController and ZoomEventManager to components/.

chrome/browser/extensions/api/tabs/tabs_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_API_H_
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/browser/extensions/chrome_extension_function_details.h"
-#include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "chrome/common/extensions/api/tabs.h"
+#include "components/ui/zoom/zoom_controller.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/api/capture_web_contents_function.h"
 #include "extensions/browser/api/execute_code_function.h"
 #include "extensions/common/extension_resource.h"
 #include "extensions/common/user_script.h"
 #include "url/gurl.h"
 
 class GURL;
 class SkBitmap;
@@ skipping 11 matching lines @@
 class ListSelectionModel;
 }
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace extensions {
 
 // Converts a ZoomMode to its ZoomSettings representation.
-void ZoomModeToZoomSettings(ZoomController::ZoomMode zoom_mode,
+void ZoomModeToZoomSettings(components::ZoomController::ZoomMode zoom_mode,
                             api::tabs::ZoomSettings* zoom_settings);
 
 // Windows
 class WindowsGetFunction : public ChromeSyncExtensionFunction {
   ~WindowsGetFunction() override {}
   bool RunSync() override;
   DECLARE_EXTENSION_FUNCTION("windows.get", WINDOWS_GET)
 };
 class WindowsGetCurrentFunction : public ChromeSyncExtensionFunction {
   ~WindowsGetCurrentFunction() override {}
@@ skipping 251 matching lines @@
   ~TabsGetZoomSettingsFunction() override {}
 
   bool RunAsync() override;
 
   DECLARE_EXTENSION_FUNCTION("tabs.getZoomSettings", TABS_GETZOOMSETTINGS)
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_API_H_