mac: Prepare for -Wunused-functions.

content/renderer/npapi/webplugin_delegate_proxy.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 "content/renderer/npapi/webplugin_delegate_proxy.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #elif defined(USE_X11)
 #include <cairo/cairo.h>
@@ skipping 648 matching lines @@
   memory->reset(TransportDIB::Map(handle));
 #else
   static uint32 sequence_number = 0;
   memory->reset(TransportDIB::Create(size, sequence_number++));
 #endif
   canvas->reset((*memory)->GetPlatformCanvas(plugin_rect_.width(),
                                              plugin_rect_.height()));
   return !!canvas->get();
 }
 
-#if defined(OS_MACOSX)
-// Flips |rect| vertically within an enclosing rect with height |height|.
-// Intended for converting rects between flipped and non-flipped contexts.
-static void FlipRectVerticallyWithHeight(gfx::Rect* rect, int height) {
-  rect->set_y(height - rect->bottom());
-}
-#endif
-
 void WebPluginDelegateProxy::Paint(SkCanvas* canvas,
                                    const gfx::Rect& damaged_rect) {
   // Limit the damaged rectangle to whatever is contained inside the plugin
   // rectangle, as that's the rectangle that we'll actually draw.
   gfx::Rect rect = gfx::IntersectRects(damaged_rect, plugin_rect_);
 
   // If the plugin is no longer connected (channel crashed) draw a crashed
   // plugin bitmap
   if (!channel_host_.get() || !channel_host_->channel_valid()) {
     // Lazily load the sad plugin image.
@@ skipping 554 matching lines @@
 
   plugin_->URLRedirectResponse(allow, resource_id);
 }
 
 void WebPluginDelegateProxy::OnCheckIfRunInsecureContent(const GURL& url,
                                                          bool* result) {
   *result = plugin_->CheckIfRunInsecureContent(url);
 }
 
 }  // namespace content