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

chrome/renderer/extensions/chrome_v8_context_set.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 "chrome/renderer/extensions/chrome_v8_context_set.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/tracked_objects.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/renderer/extensions/chrome_v8_context.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
 #include "content/public/renderer/v8_value_converter.h"
 #include "extensions/common/constants.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURLRequest.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/WebURL.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/WebURLRequest.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 #include "v8/include/v8.h"
 
 using content::RenderThread;
 using content::V8ValueConverter;
 
 namespace extensions {
 
@@ skipping 115 matching lines @@
       v8_arguments.push_back(converter->ToV8Value(item, context));
     }
 
     v8::Handle<v8::Value> retval;
     (*it)->CallChromeHiddenMethod(
         method_name, v8_arguments.size(), &v8_arguments[0], &retval);
   }
 }
 
 }  // namespace extensions