clang/win: Fix most -Wunused-function warnings in Chromium code.

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"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
@@ skipping 591 matching lines @@
 void WebPluginDelegateProxy::ResetWindowlessBitmaps() {
   transport_stores_[0].bitmap.reset();
   transport_stores_[1].bitmap.reset();
 
   transport_stores_[0].canvas.reset();
   transport_stores_[1].canvas.reset();
   transport_store_painted_ = gfx::Rect();
   front_buffer_diff_ = gfx::Rect();
 }
 
+#if !defined(OS_WIN)
 static size_t BitmapSizeForPluginRect(const gfx::Rect& plugin_rect) {
   const size_t stride =
       skia::PlatformCanvasStrideForWidth(plugin_rect.width());
   return stride * plugin_rect.height();
 }
 
-#if !defined(OS_WIN)
 bool WebPluginDelegateProxy::CreateLocalBitmap(
     std::vector<uint8>* memory,
     scoped_ptr<skia::PlatformCanvas>* canvas) {
   const size_t size = BitmapSizeForPluginRect(plugin_rect_);
   memory->resize(size);
   if (memory->size() != size)
     return false;
   canvas->reset(skia::CreatePlatformCanvas(
       plugin_rect_.width(), plugin_rect_.height(), true, &((*memory)[0]),
       skia::CRASH_ON_FAILURE));
@@ skipping 600 matching lines @@
 
   plugin_->URLRedirectResponse(allow, resource_id);
 }
 
 void WebPluginDelegateProxy::OnCheckIfRunInsecureContent(const GURL& url,
                                                          bool* result) {
   *result = plugin_->CheckIfRunInsecureContent(url);
 }
 
 }  // namespace content