[Mac Extensions Toolbar] Make the container's animationEndFrame always valid

chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
 
 #include <algorithm>
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
@@ skipping 651 matching lines @@
 }
 
 - (void)pinLocationBarToLeftOfBrowserActionsContainerAndAnimate:(BOOL)animate {
   CGFloat locationBarXPos = NSMaxX([[locationBar_ animator] frame]);
   CGFloat leftDistance;
 
   if ([browserActionsContainerView_ isHidden]) {
     CGFloat edgeXPos = [wrenchButton_ frame].origin.x;
     leftDistance = edgeXPos - locationBarXPos - kWrenchMenuLeftPadding;
   } else {
-    NSRect containerFrame = animate ?
-        [browserActionsContainerView_ animationEndFrame] :
-        [browserActionsContainerView_ frame];
-
-    leftDistance = containerFrame.origin.x - locationBarXPos;
+    leftDistance = NSMinX([browserActionsContainerView_ animationEndFrame]) -
+        locationBarXPos;
   }
   if (leftDistance != 0.0)
     [self adjustLocationSizeBy:leftDistance animate:animate];
 }
 
 - (void)maintainMinimumLocationBarWidth {
   CGFloat locationBarWidth = NSWidth([locationBar_ frame]);
   locationBarAtMinSize_ = locationBarWidth <= kMinimumLocationBarWidth;
   if (locationBarAtMinSize_) {
     CGFloat dX = kMinimumLocationBarWidth - locationBarWidth;
@@ skipping 166 matching lines @@
 - (void)hideDropURLsIndicatorInView:(NSView*)view {
   // Do nothing.
 }
 
 // (URLDropTargetController protocol)
 - (BOOL)isUnsupportedDropData:(id<NSDraggingInfo>)info {
   return drag_util::IsUnsupportedDropData(profile_, info);
 }
 
 @end