rewrite_to_chrome_style: associate replacements with the affected file

tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc

 // Copyright 2015 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 "gen/thing.h"
 
 namespace v8 {
 
 class InterfaceOutsideOfBlink {
  public:
@@ skipping 32 matching lines @@
   // written.
 
   // Overloaded operators should not be rewritten.
   Task& operator++() { return *this; }
 
   // Conversion functions should not be rewritten.
   explicit operator int() const { return 42; }
 
   // These are special functions that we don't rename so that range-based
   // for loops and STL things work.
-  MyIterator begin() {}
-  my_iterator end() {}
-  my_iterator rbegin() {}
-  MyIterator rend() {}
+  MyIterator begin() { return {}; }
+  my_iterator end() { return {}; }
+  my_iterator rbegin() { return {}; }
+  MyIterator rend() { return {}; }
   // The trace() method is used by Oilpan, but we plan to tweak the Oilpan's
   // clang plugin, so that it recognizes the new method name.
   void Trace() {}
   // These are used by std::unique_lock and std::lock_guard.
   void lock() {}
   void unlock() {}
   void try_lock() {}
 };
 
 class Other {
   // Static begin/end/trace don't count, and should be renamed.
-  static MyIterator Begin() {}
-  static my_iterator End() {}
+  static MyIterator Begin() { return {}; }
+  static my_iterator End() { return {}; }
   static void Trace() {}
   static void Lock() {}
 };
 
 // Test that the actual method definition is also updated.
 void Task::DoTheWork() {
   ReallyDoTheWork();
 }
 
 template <typename T>
@@ skipping 179 matching lines @@
   static void Method();
 };
 
 }  // namespace internal
 
 }  // namespace blink
 
 // https://crbug.com/640688 - need to rewrite method name below.
 void blink::ClassDeclaredInsideBlink::MethodDefinedOutsideBlink() {}
 void blink::internal::InternalClass::Method() {}