[Win, Android] Don't create WebSandboxSupport when it would have no methods.

content/renderer/renderer_blink_platform_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_
 #define CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "base/id_map.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 197 matching lines @@
 
   scoped_ptr<RendererClipboardDelegate> clipboard_delegate_;
   scoped_ptr<WebClipboardImpl> clipboard_;
 
   class FileUtilities;
   scoped_ptr<FileUtilities> file_utilities_;
 
   class MimeRegistry;
   scoped_ptr<MimeRegistry> mime_registry_;
 
+#if !defined(OS_ANDROID) && !defined(OS_WIN)
   class SandboxSupport;
   scoped_ptr<SandboxSupport> sandbox_support_;
+#endif
 
   // This counter keeps track of the number of times sudden termination is
   // enabled or disabled. It starts at 0 (enabled) and for every disable
   // increments by 1, for every enable decrements by 1. When it reaches 0,
   // we tell the browser to enable fast termination.
   int sudden_termination_disables_;
 
   // If true, then a GetPlugins call is allowed to rescan the disk.
   bool plugin_refresh_allowed_;
 
@@ skipping 24 matching lines @@
   device::VibrationManagerPtr vibration_manager_;
 
   IDMap<PlatformEventObserverBase, IDMapOwnPointer> platform_event_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererBlinkPlatformImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_