Move ZoomObserver, ZoomController and ZoomEventManager to components/.

chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc

 // Copyright 2014 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/guest_view/web_view/chrome_web_view_guest_delegate.h"
 
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 #include "chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.h"
-#include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "chrome/common/chrome_version_info.h"
 #include "components/pdf/browser/pdf_web_contents_helper.h"
 #include "components/renderer_context_menu/context_menu_delegate.h"
+#include "components/ui/zoom/zoom_controller.h"
 #include "content/public/common/page_zoom.h"
 #include "extensions/browser/api/web_request/web_request_api.h"
 #include "extensions/browser/guest_view/web_view/web_view_constants.h"
 
 #if defined(ENABLE_PRINTING)
 #if defined(ENABLE_PRINT_PREVIEW)
 #include "chrome/browser/printing/print_preview_message_handler.h"
 #include "chrome/browser/printing/print_view_manager.h"
 #else
 #include "chrome/browser/printing/print_view_manager_basic.h"
 #endif  // defined(ENABLE_PRINT_PREVIEW)
 #endif  // defined(ENABLE_PRINTING)
 
 namespace extensions {
 
+using ui_zoom::ZoomController;
+
 ChromeWebViewGuestDelegate::ChromeWebViewGuestDelegate(
     WebViewGuest* web_view_guest)
     : pending_context_menu_request_id_(0),
       chromevox_injected_(false),
       current_zoom_factor_(1.0),
       web_view_guest_(web_view_guest),
       weak_ptr_factory_(this) {
 }
 
 ChromeWebViewGuestDelegate::~ChromeWebViewGuestDelegate() {
@@ skipping 193 matching lines @@
 }
 #endif
 
 void ChromeWebViewGuestDelegate::OnZoomChanged(
     const ZoomController::ZoomChangedEventData& data) {
   ZoomController::FromWebContents(guest_web_contents())->
       SetZoomLevel(data.new_zoom_level);
 }
 
 }  // namespace extensions