Fix BrowserActionButton displaying pressed state when mouse is out. There are some special case…

chrome/browser/ui/cocoa/extensions/browser_action_button.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/extensions/browser_action_button.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/logging.h"
@@ skipping 163 matching lines @@
   }
 
   return self;
 }
 
 - (BOOL)acceptsFirstResponder {
   return YES;
 }
 
 - (void)mouseDown:(NSEvent*)theEvent {
-  [[self cell] setHighlighted:YES];
-  dragCouldStart_ = YES;
-  dragStartPoint_ = [theEvent locationInWindow];
+  NSPoint location = [self convertPoint:[theEvent locationInWindow]
+                               fromView:nil];
+  if (NSPointInRect(location, [self bounds])) {
+    [[self cell] setHighlighted:YES];
+    dragCouldStart_ = YES;
+    dragStartPoint_ = [theEvent locationInWindow];
+  }
 }
 
 - (void)mouseDragged:(NSEvent*)theEvent {
   if (!dragCouldStart_)
     return;
 
   if (!isBeingDragged_) {
     // Don't initiate a drag until it moves at least kMinimumDragDistance.
     NSPoint currentPoint = [theEvent locationInWindow];
     CGFloat dx = currentPoint.x - dragStartPoint_.x;
@@ skipping 152 matching lines @@
                operation:NSCompositeSourceOver
                 fraction:enabled ? 1.0 : 0.4
           respectFlipped:YES
                    hints:nil];
 
   cellFrame.origin.y += kBrowserActionBadgeOriginYOffset;
   [self drawBadgeWithinFrame:cellFrame];
 }
 
 @end