Correct the hit testing so that the window controls and title bar will get ta...

chrome/browser/cocoa/tab_strip_view.mm

Index: chrome/browser/cocoa/tab_strip_view.mm
===================================================================
--- chrome/browser/cocoa/tab_strip_view.mm	(revision 16871)
+++ chrome/browser/cocoa/tab_strip_view.mm	(working copy)
@@ -23,4 +23,24 @@
   NSRectFillUsingOperation(borderRect, NSCompositeSourceOver);
 }
 
+// Allows this view to take clicks in background windows. Since it overlaps
+// the title bar and window buttons, it needs to do this otherwise things like
+// the close button doesn't work when the window is in the background.
+- (BOOL)acceptsFirstMouse:(NSEvent*)event {
+  return YES;
+}
+
+// Called to determine where in our view hierarchy the click should go. We
+// want clicks to go to our children (tabs, new tab button, etc), but no click
+// should ever go to this view. In fact, returning this view breaks things
+// such as the window buttons and double-clicking the title bar since the
+// window manager believes there is a view that wants the mouse event. If the
+// superclass impl says the click should go here, just cheat and return nil.
+- (NSView*)hitTest:(NSPoint)point {
+  NSView* hit = [super hitTest:point];
+  if ([hit isEqual:self]) 
+      hit = nil;
+  return hit;
+}
+
 @end