rewrite_to_chrome_style: associate replacements with the affected file

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

Index: tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc
diff --git a/tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc b/tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc
index 327d3b1ef371edafe2eb9dc7e9c4ee6c691a9efe..ddc092eb4309689371e9d1216695e248583bb96f 100644
--- a/tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc
+++ b/tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc
@@ -50,10 +50,10 @@ class Task {
 
   // 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() {}
@@ -65,8 +65,8 @@ class Task {
 
 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() {}
 };