[Mac] Prep for animating the Browser Action Buttons in and out....

chrome/browser/cocoa/extensions/browser_actions_container_view.mm

Index: chrome/browser/cocoa/extensions/browser_actions_container_view.mm
===================================================================
--- chrome/browser/cocoa/extensions/browser_actions_container_view.mm	(revision 43254)
+++ chrome/browser/cocoa/extensions/browser_actions_container_view.mm	(working copy)
@@ -165,15 +165,14 @@
   lastXPos_ = frame.origin.x;
   CGFloat dX = frame.size.width - width;
   frame.size.width = width;
-  NSRect newFrame = NSOffsetRect(frame, dX, 0);
+  animationEndFrame_ = NSOffsetRect(frame, dX, 0);
   if (animate) {
     [NSAnimationContext beginGrouping];
     [[NSAnimationContext currentContext] setDuration:kAnimationDuration];
-    [[self animator] setFrame:newFrame];
+    [[self animator] setFrame:animationEndFrame_];
     [NSAnimationContext endGrouping];
-    animationEndFrame_ = newFrame;
   } else {
-    [self setFrame:newFrame];
+    [self setFrame:animationEndFrame_];
     [self setNeedsDisplay:YES];
   }
 }