test launcher: print test file names and lines in summary results

base/test/launcher/test_results_tracker.h

Index: base/test/launcher/test_results_tracker.h
diff --git a/base/test/launcher/test_results_tracker.h b/base/test/launcher/test_results_tracker.h
index 2bddebc56ed03ce7b733fd1789cd0c66f8664fa9..53a4e560f8ac5cef8c600fa03230e74929d5d2e6 100644
--- a/base/test/launcher/test_results_tracker.h
+++ b/base/test/launcher/test_results_tracker.h
@@ -42,7 +42,7 @@ class TestResultsTracker {
 
   // Adds |test_name| to the set of discovered tests (this includes all tests
   // present in the executable, not necessarily run).
-  void AddTest(const std::string& test_name);
+  void AddTest(const std::string& test_name, const std::string& file, int line);
 
   // Adds |test_name| to the set of disabled tests.
   void AddDisabledTest(const std::string& test_name);
@@ -77,6 +77,11 @@ class TestResultsTracker {
  private:
   void GetTestStatusForIteration(int iteration, TestStatusMap* map) const;
 
+  template<typename InputIterator>
+  void PrintTests(InputIterator first,
+                  InputIterator last,
+                  const std::string& description) const;
+
   struct AggregateTestResult {
     AggregateTestResult();
     ~AggregateTestResult();
@@ -93,6 +98,14 @@ class TestResultsTracker {
     ResultsMap results;
   };
 
+  struct CodeLocation {
+    CodeLocation(const std::string& f, int l) : file(f), line(l) {
+    }
+
+    std::string file;
+    int line;
+  };
+
   ThreadChecker thread_checker_;
 
   // Set of global tags, i.e. strings indicating conditions that apply to
@@ -102,6 +115,8 @@ class TestResultsTracker {
   // Set of all test names discovered in the current executable.
   std::set<std::string> all_tests_;
 
+  std::map<std::string, CodeLocation> test_locations_;
+
   // Set of all disabled tests in the current executable.
   std::set<std::string> disabled_tests_;