Remove --disable-core-animation flag

chrome/browser/ui/cocoa/browser_window_controller.mm

Index: chrome/browser/ui/cocoa/browser_window_controller.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller.mm b/chrome/browser/ui/cocoa/browser_window_controller.mm
index bd550e350d05c759184857c1c34c19cd70d1a987..f28c102dfa35719f121250aefd7425a52e93a8f8 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller.mm
@@ -253,7 +253,7 @@ using content::WebContents;
     // Make the content view for the window have a layer. This will make all
     // sub-views have layers. This is necessary to ensure correct layer
     // ordering of all child views and their layers.
-    [[window contentView] cr_setWantsLayer:YES];
+    [[window contentView] setWantsLayer:YES];
     windowShim_.reset(new BrowserWindowCocoa(browser, self));
 
     // Set different minimum sizes on tabbed windows vs non-tabbed, e.g. popups.
@@ -1014,10 +1014,6 @@ using content::WebContents;
   }
 }
 
-- (void)setAnimationInProgress:(BOOL)inProgress {
-  [[self tabContentArea] setFastResizeMode:inProgress];
-}
-
 // Update a toggle state for an NSMenuItem if modified.
 // Take care to ensure |item| looks like a NSMenuItem.
 // Called by validateUserInterfaceItem:.