Merge 143021 - Fix wobbling of find bar.

chrome/browser/ui/cocoa/find_bar/find_bar_cocoa_controller.mm

Index: chrome/browser/ui/cocoa/find_bar/find_bar_cocoa_controller.mm
===================================================================
--- chrome/browser/ui/cocoa/find_bar/find_bar_cocoa_controller.mm	(revision 143454)
+++ chrome/browser/ui/cocoa/find_bar/find_bar_cocoa_controller.mm	(working copy)
@@ -424,7 +424,7 @@
       [[NSViewAnimation alloc]
         initWithViewAnimations:[NSArray arrayWithObjects:dict, nil]];
   [animation gtm_setDuration:duration
-                           eventMask:NSLeftMouseUpMask];
+                   eventMask:NSLeftMouseUpMask];
   [animation setDelegate:self];
   [animation startAnimation];
   return animation;
@@ -507,6 +507,8 @@
   NSView* view = [self view];
   NSRect frame = [view frame];
   float x = [self findBarHorizontalPosition];
+  if (frame.origin.x == x)
+    return;
 
   if (animate) {
     [moveAnimation_ stopAnimation];