Revert 152080 - Refactor browser window zoom handling and enable zoom icon on all platforms.

chrome/browser/ui/cocoa/browser_window_cocoa.mm

Index: chrome/browser/ui/cocoa/browser_window_cocoa.mm
===================================================================
--- chrome/browser/ui/cocoa/browser_window_cocoa.mm	(revision 152086)
+++ chrome/browser/ui/cocoa/browser_window_cocoa.mm	(working copy)
@@ -249,10 +249,18 @@
   [controller_ setStarredState:is_starred ? YES : NO];
 }
 
-void BrowserWindowCocoa::ZoomChangedForActiveTab(bool can_show_bubble) {
-  [controller_ zoomChangedForActiveTab:can_show_bubble ? YES : NO];
+void BrowserWindowCocoa::SetZoomIconState(ZoomController::ZoomIconState state) {
+  // TODO(khorimoto): Find someone to implement this.
 }
 
+void BrowserWindowCocoa::SetZoomIconTooltipPercent(int zoom_percent) {
+  // TODO(khorimoto): Find someone to implement this.
+}
+
+void BrowserWindowCocoa::ShowZoomBubble(int zoom_percent) {
+  // TODO(khorimoto): Find someone to implement this.
+}
+
 gfx::Rect BrowserWindowCocoa::GetRestoredBounds() const {
   // Flip coordinates based on the primary screen.
   NSScreen* screen = [[NSScreen screens] objectAtIndex:0];