Initial bookmark bar folder window tries harder to be on-screen....

chrome/browser/cocoa/bookmark_bar_folder_controller_unittest.mm

Index: chrome/browser/cocoa/bookmark_bar_folder_controller_unittest.mm
===================================================================
--- chrome/browser/cocoa/bookmark_bar_folder_controller_unittest.mm	(revision 52574)
+++ chrome/browser/cocoa/bookmark_bar_folder_controller_unittest.mm	(working copy)
@@ -262,6 +262,11 @@
   EXPECT_LE(abs(pt.x - buttonOriginInScreen.x), 2);
   EXPECT_LE(abs(pt.y - buttonOriginInScreen.y), 2);
 
+  // Make sure we see the window shift left if it spills off the screen
+  pt = [bbfc windowTopLeftForWidth:0];
+  NSPoint shifted = [bbfc windowTopLeftForWidth:9999999];
+  EXPECT_LT(shifted.x, pt.x);
+
   // If parent is a BookmarkBarFolderController, grow right.
   scoped_nsobject<BookmarkBarFolderControllerLow> bbfc2;
   bbfc2.reset([[BookmarkBarFolderControllerLow alloc]