Improve large tab strip by leveraging touch icons when present

ui/gfx/favicon_size.h

Index: ui/gfx/favicon_size.h
diff --git a/ui/gfx/favicon_size.h b/ui/gfx/favicon_size.h
index b267d96daef248cc23a85484f1547d93f8973a37..bb460c33145615fb09c6deaf5e33aefdb9800e2d 100644
--- a/ui/gfx/favicon_size.h
+++ b/ui/gfx/favicon_size.h
@@ -9,11 +9,10 @@
 #include "base/compiler_specific.h"
 
 // Size (along each axis) of the favicon.
-#if defined(TOUCH_UI)
-const int kFaviconSize = 32;
-#else
 const int kFaviconSize = 16;
-#endif
+
+// The size of the favicon touch area.
+const int kTouchTargetIconSize = 32;

[sky, 2011/06/16 15:43:41]

This is only used in the tab strip. Keep it there until we decide other places
want the 32x32 size.

[Emmanuel Saint-loubert-Bié, 2011/06/17 00:01:44]

Done.

 
 // If the width or height is bigger than the favicon size, a new width/height
 // is calculated and returned in width/height that maintains the aspect