Pick up a GTM roll and update the apis that changed in this roll....

chrome/browser/cocoa/animatable_view.mm

 // Copyright (c) 2009 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 <Cocoa/Cocoa.h>
 #import <QuartzCore/QuartzCore.h>
 
 #import "chrome/browser/cocoa/animatable_view.h"
 #import "third_party/GTM/AppKit/GTMNSAnimation+Duration.h"
 
@@ skipping 11 matching lines @@
 - (id)initWithView:(AnimatableView*)view
        finalHeight:(CGFloat)height
           duration:(NSTimeInterval)duration;
 @end
 
 @implementation HeightAnimation
 - (id)initWithView:(AnimatableView*)view
        finalHeight:(CGFloat)height
           duration:(NSTimeInterval)duration {
   if ((self = [super gtm_initWithDuration:duration
+                                eventMask:NSLeftMouseDownMask
                            animationCurve:NSAnimationEaseIn])) {
     view_ = view;
     startHeight_ = [view_ height];
     endHeight_ = height;
     [self setAnimationBlockingMode:NSAnimationNonblocking];
     [self setDelegate:view_];
   }
   return self;
 }
 
@@ skipping 57 matching lines @@
 
 - (void)animationDidEnd:(NSAnimation*)animation {
   if ([resizeDelegate_ respondsToSelector:@selector(setAnimationInProgress:)])
     [resizeDelegate_ setAnimationInProgress:NO];
   if ([delegate_ respondsToSelector:@selector(animationDidEnd:)])
     [delegate_ animationDidEnd:animation];
   currentAnimation_.reset(nil);
 }
 
 @end