Don't show favicons or throbbers for the New Tab page on the Mac....

chrome/browser/cocoa/tab_controller_unittest.mm

Index: chrome/browser/cocoa/tab_controller_unittest.mm
===================================================================
--- chrome/browser/cocoa/tab_controller_unittest.mm	(revision 25138)
+++ chrome/browser/cocoa/tab_controller_unittest.mm	(working copy)
@@ -226,7 +226,7 @@
   frame.size.width = [TabController minTabWidth];
   [[controller view] setFrame:frame];
   EXPECT_FALSE([controller shouldShowIcon]);
-  EXPECT_FALSE([controller shouldShowCloseBox]);
+  EXPECT_FALSE([controller shouldShowCloseButton]);
 
   // Setting the icon when tab is at min width should not show icon (bug 18359).
   scoped_nsobject<NSView> newIcon(
@@ -242,7 +242,7 @@
   [[controller view] setFrame:frame];
   EXPECT_FALSE([controller shouldShowIcon]);
   EXPECT_TRUE([newIcon isHidden]);
-  EXPECT_TRUE([controller shouldShowCloseBox]);
+  EXPECT_TRUE([controller shouldShowCloseButton]);
 
   // Test expanding the tab to max width and ensure the icon and close box
   // get put back, even when de-selected.
@@ -250,10 +250,10 @@
   [[controller view] setFrame:frame];
   EXPECT_TRUE([controller shouldShowIcon]);
   EXPECT_FALSE([newIcon isHidden]);
-  EXPECT_TRUE([controller shouldShowCloseBox]);
+  EXPECT_TRUE([controller shouldShowCloseButton]);
   [controller setSelected:NO];
   EXPECT_TRUE([controller shouldShowIcon]);
-  EXPECT_TRUE([controller shouldShowCloseBox]);
+  EXPECT_TRUE([controller shouldShowCloseButton]);
 
   cap = [controller iconCapacity];
   EXPECT_GT(cap, 0);