GTTF: Fix test launcher multiple test iterations.

BUG=299282
R=sky@chromium.org

Review URL: https://codereview.chromium.org/24996007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226025 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 9 insertions, 0 deletions

diff --git a/base/test/test_launcher.cc b/base/test/test_launcher.cc
index 462f4d4..b58a608 100644
--- a/base/test/test_launcher.cc
+++ b/base/test/test_launcher.cc
@@ -546,6 +546,8 @@ void RunTestIteration(TestLauncherDelegate* launcher_delegate,
   // Special value "-1" means "repeat indefinitely".
   int new_cycles = (cycles == -1) ? cycles : cycles - 1;
 
+  launcher_delegate->OnTestIterationStarting();
+
   MessageLoop::current()->PostTask(
       FROM_HERE,
       Bind(&RunTests, launcher_delegate, total_shards, shard_index,
diff --git a/base/test/test_launcher.h b/base/test/test_launcher.h
index 0e8faea..bf4e9c0 100644
--- a/base/test/test_launcher.h
+++ b/base/test/test_launcher.h
@@ -69,6 +69,9 @@ struct TestResult {
 // which tests and how are run.
 class TestLauncherDelegate {
  public:
+  // Called at the start of each test iteration.
+  virtual void OnTestIterationStarting() = 0;
+
   // Called to get a test name for filtering purposes. Usually it's
   // test case's name and test's name joined by a dot (e.g.
   // "TestCaseName.TestName").
diff --git a/base/test/unit_test_launcher.cc b/base/test/unit_test_launcher.cc
index daf264d..aee90c8 100644
--- a/base/test/unit_test_launcher.cc
+++ b/base/test/unit_test_launcher.cc
@@ -99,6 +99,10 @@ class UnitTestLauncherDelegate : public TestLauncherDelegate {
     TestResultCallback callback;
   };
 
+  virtual void OnTestIterationStarting() OVERRIDE {
+    // Nothing to do.
+  }
+
   virtual std::string GetTestNameForFiltering(
       const testing::TestCase* test_case,
       const testing::TestInfo* test_info) OVERRIDE {