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

chrome/browser/ui/cocoa/extensions/browser_action_button.mm

Index: chrome/browser/ui/cocoa/extensions/browser_action_button.mm
diff --git a/chrome/browser/ui/cocoa/extensions/browser_action_button.mm b/chrome/browser/ui/cocoa/extensions/browser_action_button.mm
index c6d78b817191603aca4fdb945c55d5cb298211aa..889f544b5b7c48706534932c076334eee3a3e726 100644
--- a/chrome/browser/ui/cocoa/extensions/browser_action_button.mm
+++ b/chrome/browser/ui/cocoa/extensions/browser_action_button.mm
@@ -181,9 +181,13 @@ class ExtensionActionIconFactoryBridge
 }
 
 - (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 {