Add methods needed for overflow panels to NativePanel interface.

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 228 matching lines @@
 }
 
 Browser* PanelBrowserWindowCocoa::GetPanelBrowser() const {
   return browser();
 }
 
 void PanelBrowserWindowCocoa::DestroyPanelBrowser() {
   [controller_ close];
 }
 
+gfx::Size PanelBrowserWindowCocoa::IconOnlySize() const {
+  // TODO(dimich): to be implemented.
+  return gfx::Size();
+}
+
+void PanelBrowserWindowCocoa::EnsurePanelFullyVisible() {
+  // TODO(dimich): to be implemented.
+}
+
 void PanelBrowserWindowCocoa::DidCloseNativeWindow() {
   DCHECK(!isClosed());
   panel_->OnNativePanelClosed();
   controller_ = NULL;
 }
 
 gfx::Size PanelBrowserWindowCocoa::WindowSizeFromContentSize(
     const gfx::Size& content_size) const {
   NSWindow* window = [controller_ window];
   NSRect content = NSMakeRect(0, 0,
@@ skipping 90 matching lines @@
   return false;
 }
 
 bool NativePanelTestingCocoa::IsWindowSizeKnown() const {
   return true;
 }
 
 bool NativePanelTestingCocoa::IsAnimatingBounds() const {
   return [native_panel_window_->controller_ isAnimatingBounds];
 }