Move ZoomObserver, ZoomController and ZoomEventManager to components/.

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm

 // Copyright 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.
 
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
@@ skipping 38 matching lines @@
 #import "chrome/browser/ui/cocoa/location_bar/star_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/translate_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/zoom_decoration.h"
 #import "chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h"
 #include "chrome/browser/ui/content_settings/content_setting_bubble_model.h"
 #include "chrome/browser/ui/content_settings/content_setting_image_model.h"
 #import "chrome/browser/ui/omnibox/omnibox_popup_model.h"
 #include "chrome/browser/ui/passwords/manage_passwords_ui_controller.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
-#include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "components/search_engines/template_url.h"
 #include "components/search_engines/template_url_service.h"
 #include "components/translate/core/browser/language_state.h"
+#include "components/ui/zoom/zoom_controller.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/permissions/permissions_data.h"
 #include "grit/components_scaled_resources.h"
 #include "grit/theme_resources.h"
 #include "net/base/net_util.h"
 #include "skia/ext/skia_utils_mac.h"
 #import "ui/base/cocoa/cocoa_base_utils.h"
 #include "ui/base/l10n/l10n_util_mac.h"
@@ skipping 671 matching lines @@
   translate_decoration_->SetVisible(enabled);
   translate_decoration_->SetLit(language_state.IsPageTranslated());
 }
 
 bool LocationBarViewMac::UpdateZoomDecoration() {
   WebContents* web_contents = GetWebContents();
   if (!web_contents)
     return false;
 
   return zoom_decoration_->UpdateIfNecessary(
-      ZoomController::FromWebContents(web_contents));
+      ui_zoom::ZoomController::FromWebContents(web_contents));
 }
 
 bool LocationBarViewMac::UpdateMicSearchDecorationVisibility() {
   bool is_visible = !GetToolbarModel()->input_in_progress() &&
                     browser_->search_model()->voice_search_supported();
   if (mic_search_decoration_->IsVisible() == is_visible)
     return false;
   mic_search_decoration_->SetVisible(is_visible);
   return true;
 }