Cleanup: Remove unused variables in chrome/ found by Scythe.

chrome/browser/ui/webui/options/sync_setup_handler_unittest.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/browser/ui/webui/options/sync_setup_handler.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
@@ skipping 209 matching lines @@
       const std::vector<const base::Value*>& args) override {}
 
   class CallData {
    public:
     CallData() : arg1(NULL), arg2(NULL) {}
     std::string function_name;
     base::Value* arg1;
     base::Value* arg2;
   };
   const std::vector<CallData>& call_data() { return call_data_; }
+
  private:
   std::vector<CallData> call_data_;
   base::string16 temp_string_;
 };
 
 class TestingSyncSetupHandler : public SyncSetupHandler {
  public:
   TestingSyncSetupHandler(content::WebUI* web_ui, Profile* profile)
-      : SyncSetupHandler(NULL),
-        profile_(profile) {
+      : profile_(profile) {
     set_web_ui(web_ui);
   }
   ~TestingSyncSetupHandler() override { set_web_ui(NULL); }
 
   void FocusUI() override {}
 
   Profile* GetProfile() const override { return profile_; }
 
   using SyncSetupHandler::is_configuring_sync;
 
@@ skipping 834 matching lines @@
       WillRepeatedly(Return(false));
   EXPECT_CALL(*mock_pss_, EnableEncryptEverything()).Times(0);
   EXPECT_CALL(*mock_pss_, OnUserChoseDatatypes(true, _));
   handler_->HandleConfigure(&list_args);
 
   // Ensure that we navigated to the "done" state since we don't need a
   // passphrase.
   ExpectDone();
 }