Remove some more OS_CHROMEOS from browser.

chrome/browser/ui/panels/panel.cc

 // Copyright (c) 2012 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.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 647 matching lines @@
   return panel_view->GetDispositionForPopupBounds(bounds);
 #else
   return NEW_POPUP;
 #endif
 }
 
 FindBar* Panel::CreateFindBar() {
   return native_panel_->CreatePanelFindBar();
 }
 
-#if defined(OS_CHROMEOS)
-void Panel::ShowKeyboardOverlay(gfx::NativeWindow owning_window) {
-  NOTIMPLEMENTED();
-}
-#endif
-
 void Panel::ResizeDueToAutoResize(WebContents* web_contents,
                                   const gfx::Size& pref_size) {
   DCHECK(auto_resizable_);
   return manager()->OnWindowAutoResized(
       this,
       native_panel_->WindowSizeFromContentSize(pref_size));
 }
 
 void Panel::ShowAvatarBubble(WebContents* web_contents, const gfx::Rect& rect) {
   // Panels will never show a new tab page so this should never be called.
@@ skipping 108 matching lines @@
   max_size_policy_ = CUSTOM_MAX_SIZE;
 }
 
 void Panel::OnPanelEndUserResizing() {
   SetPreviewMode(false);
 }
 
 void Panel::DestroyBrowser() {
   native_panel_->DestroyPanelBrowser();
 }