Add Panel::SetPanelBoundsInstantly for all platforms.

chrome/browser/ui/panels/panel_browser_window_cocoa.mm

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/panels/panel_browser_window_cocoa.h"
 
 #include "base/logging.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
@@ skipping 85 matching lines @@
   [controller_ revealAnimatedWithFrame:finalFrame];
 }
 
 gfx::Rect PanelBrowserWindowCocoa::GetPanelBounds() const {
   return bounds_;
 }
 
 // |bounds| is the platform-independent screen coordinates, with (0,0) at
 // top-left of the primary screen.
 void PanelBrowserWindowCocoa::SetPanelBounds(const gfx::Rect& bounds) {
+  setBoundsInternal(bounds, true);
+}
+
+void PanelBrowserWindowCocoa::SetPanelBoundsInstantly(const gfx::Rect& bounds) {
+  setBoundsInternal(bounds, false);
+}
+
+void PanelBrowserWindowCocoa::setBoundsInternal(const gfx::Rect& bounds,
+                                                bool animate) {
   if (bounds_ == bounds)
     return;
 
   bounds_ = bounds;
 
   NSRect frame = ConvertCoordinatesToCocoa(bounds);
-  [controller_ setPanelFrame:frame];
+  [controller_ setPanelFrame:frame animate:animate];
 }
 
 void PanelBrowserWindowCocoa::ClosePanel() {
   if (isClosed())
       return;
 
   NSWindow* window = [controller_ window];
   [window performClose:controller_];
 }
 
@@ skipping 235 matching lines @@
   return false;
 }
 
 bool NativePanelTestingCocoa::IsWindowSizeKnown() const {
   return true;
 }
 
 bool NativePanelTestingCocoa::IsAnimatingBounds() const {
   return [native_panel_window_->controller_ isAnimatingBounds];
 }