Ignore button mouse enter for new tab button

chrome/browser/ui/cocoa/new_tab_button.mm

Index: chrome/browser/ui/cocoa/new_tab_button.mm
diff --git a/chrome/browser/ui/cocoa/new_tab_button.mm b/chrome/browser/ui/cocoa/new_tab_button.mm
index ad719b803fb763a9211fbd210b79b5f4c8d41238..5bc5acbbf772374ec65cddad270e668d68f7fa98 100644
--- a/chrome/browser/ui/cocoa/new_tab_button.mm
+++ b/chrome/browser/ui/cocoa/new_tab_button.mm
@@ -5,10 +5,26 @@
 #import "chrome/browser/ui/cocoa/new_tab_button.h"
 #import "chrome/browser/ui/cocoa/image_button_cell.h"
 
+// A simple override of the ImageButtonCell to disable handling of mouseEntered

[Nico, 2011/11/18 06:33:27]

Comments are sentences and should end with ".". Put a '-' in front of
mouseEntered.

[adinardi, 2011/11/18 22:56:16]

Done.

+@interface NewTabButtonCell : ImageButtonCell
+
+- (void)mouseEntered:(NSEvent*)theEvent;
+
+@end
+
+@implementation NewTabButtonCell
+
+- (void)mouseEntered:(NSEvent*)theEvent {
+  // Ignore this since the NTB enter is handled by the TabStripController
+}
+
+@end
+
+
 @implementation NewTabButton
 
 + (Class)cellClass {
-  return [ImageButtonCell class];
+  return [NewTabButtonCell class];
 }
 
 // Approximate the shape. It doesn't need to be perfect. This will need to be