Refactor browser window zoom handling and enable zoom icon on all platforms.

chrome/browser/ui/views/frame/browser_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/frame/browser_view.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 680 matching lines @@
       // Loads are now complete, update the state if a task was scheduled.
       LoadingAnimationCallback();
     }
   }
 }
 
 void BrowserView::SetStarredState(bool is_starred) {
   GetLocationBarView()->SetStarToggled(is_starred);
 }
 
-void BrowserView::SetZoomIconState(
-    ZoomController::ZoomIconState zoom_icon_state) {
-  GetLocationBarView()->SetZoomIconState(zoom_icon_state);
-}
-
-void BrowserView::SetZoomIconTooltipPercent(int zoom_percent) {
-  GetLocationBarView()->SetZoomIconTooltipPercent(zoom_percent);
-}
-
-void BrowserView::ShowZoomBubble(int zoom_percent) {
-  GetLocationBarView()->ShowZoomBubble(zoom_percent);
+void BrowserView::ZoomChangedForActiveTab(bool can_show_bubble) {
+  GetLocationBarView()->ZoomChangedForActiveTab(can_show_bubble);
 }
 
 gfx::Rect BrowserView::GetRestoredBounds() const {
   return frame_->GetRestoredBounds();
 }
 
 gfx::Rect BrowserView::GetBounds() const {
   return frame_->GetWindowScreenBounds();
 }
 
@@ skipping 1843 matching lines @@
   bubble->Show();
 }
 
 void BrowserView::RestackLocationBarContainer() {
 #if defined(USE_AURA)
   if (search_view_controller_.get())
     search_view_controller_->StackAtTop();
 #endif
   toolbar_->location_bar_container()->StackAtTop();
 }