Move ZoomObserver, ZoomController and ZoomEventManager to components/.

chrome/browser/ui/views/location_bar/zoom_view.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 "chrome/browser/ui/views/location_bar/zoom_view.h"
 
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/location_bar/zoom_bubble_view.h"
-#include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "chrome/grit/generated_resources.h"
+#include "components/ui/zoom/zoom_controller.h"
+#include "grit/theme_resources.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/events/event.h"
 #include "ui/gfx/size.h"
 
 ZoomView::ZoomView(LocationBarView::Delegate* location_bar_delegate)
     : BubbleIconView(nullptr, 0),
       location_bar_delegate_(location_bar_delegate) {
   Update(NULL);
 }
 
 ZoomView::~ZoomView() {
 }
 
-void ZoomView::Update(ZoomController* zoom_controller) {
+void ZoomView::Update(ui_zoom::ZoomController* zoom_controller) {
   if (!zoom_controller || zoom_controller->IsAtDefaultZoom() ||
       location_bar_delegate_->GetToolbarModel()->input_in_progress()) {
     SetVisible(false);
     ZoomBubbleView::CloseBubble();
     return;
   }
 
   SetTooltipText(l10n_util::GetStringFUTF16Int(
       IDS_TOOLTIP_ZOOM, zoom_controller->GetZoomPercent()));
-  SetImage(ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-      zoom_controller->GetResourceForZoomLevel()));
+  int image_id = IDR_ZOOM_NORMAL;
+  ui_zoom::ZoomController::RelativeZoom relative_zoom =
+      zoom_controller->GetZoomRelativeToDefault();
+  if (relative_zoom == ui_zoom::ZoomController::ZOOM_BELOW_DEFAULT_ZOOM)
+    image_id = IDR_ZOOM_MINUS;
+  else if (relative_zoom == ui_zoom::ZoomController::ZOOM_ABOVE_DEFAULT_ZOOM)
+    image_id = IDR_ZOOM_PLUS;
+
+  SetImage(ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(image_id));
   SetVisible(true);
 }
 
 bool ZoomView::IsBubbleShowing() const {
   return ZoomBubbleView::IsShowing();
 }
 
 void ZoomView::OnExecuting(BubbleIconView::ExecuteSource source) {
   ZoomBubbleView::ShowBubble(location_bar_delegate_->GetWebContents(), false);
 }
 
 void ZoomView::GetAccessibleState(ui::AXViewState* state) {
   BubbleIconView::GetAccessibleState(state);
   state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_ZOOM);
 }