fileSystem() for the blink::Platform used in blink unit tests.

content/test/test_webkit_platform_support.h

 // Copyright 2013 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_TEST_TEST_WEBKIT_PLATFORM_SUPPORT_H_
 #define CONTENT_TEST_TEST_WEBKIT_PLATFORM_SUPPORT_H_
 
 #include "base/compiler_specific.h"
 #include "base/files/scoped_temp_dir.h"
 #include "cc/blink/web_compositor_support_impl.h"
 #include "content/child/blink_platform_impl.h"
 #include "content/child/simple_webmimeregistry_impl.h"
 #include "content/child/webfileutilities_impl.h"
 #include "content/test/mock_webblob_registry_impl.h"
 #include "content/test/mock_webclipboard_impl.h"
 #include "content/test/weburl_loader_mock_factory.h"
 #include "third_party/WebKit/public/platform/WebUnitTestSupport.h"
 
 namespace base {
 class StatsTable;
 }
 
 namespace blink {
 class WebLayerTreeView;
 }
 
 namespace content {
+class WebFileSystemImpl;
+}
+
+namespace content {
 
 // An implementation of WebKitPlatformSupport for tests.
 class TestWebKitPlatformSupport
     : public blink::WebUnitTestSupport,
       public BlinkPlatformImpl {
  public:
   TestWebKitPlatformSupport();
   virtual ~TestWebKitPlatformSupport();
 
   virtual blink::WebBlobRegistry* blobRegistry();
   virtual blink::WebClipboard* clipboard();
+  virtual blink::WebFileSystem* fileSystem();
   virtual blink::WebFileUtilities* fileUtilities();
   virtual blink::WebIDBFactory* idbFactory();
   virtual blink::WebMimeRegistry* mimeRegistry();
 
   virtual blink::WebURLLoader* createURLLoader();
   virtual blink::WebString userAgent() OVERRIDE;
   virtual blink::WebData loadResource(const char* name);
   virtual blink::WebString queryLocalizedString(
       blink::WebLocalizedString::Name name);
   virtual blink::WebString queryLocalizedString(
@@ skipping 53 matching lines @@
 
 #if defined(OS_WIN) || defined(OS_MACOSX)
   blink::WebThemeEngine* active_theme_engine_;
 #endif
   DISALLOW_COPY_AND_ASSIGN(TestWebKitPlatformSupport);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_TEST_WEBKIT_PLATFORM_SUPPORT_H_