Update some #includes in content/renderer for headers in the new Platform directory

content/renderer/geolocation_dispatcher.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/geolocation_dispatcher.h"
 
 #include "content/common/geolocation_messages.h"
 #include "content/renderer/render_view_impl.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationPermissionRequest.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationPermissionRequestManager.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationPosition.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationError.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 
 using WebKit::WebGeolocationController;
 using WebKit::WebGeolocationError;
 using WebKit::WebGeolocationPermissionRequest;
 using WebKit::WebGeolocationPermissionRequestManager;
 using WebKit::WebGeolocationPosition;
 
 namespace content {
 
 GeolocationDispatcher::GeolocationDispatcher(RenderViewImpl* render_view)
@@ skipping 123 matching lines @@
         NOTREACHED() << geoposition.error_code;
         return;
     }
     controller_->errorOccurred(
         WebGeolocationError(
             code, WebKit::WebString::fromUTF8(geoposition.error_message)));
   }
 }
 
 }  // namespace content