cc: Make HasImplThread() function work in AfterTest().

cc/trees/layer_tree_host_unittest.cc

Index: cc/trees/layer_tree_host_unittest.cc
diff --git a/cc/trees/layer_tree_host_unittest.cc b/cc/trees/layer_tree_host_unittest.cc
index b984b35bdef20e5a431833cac01654cf0cf9470e..005b153e952386796127e0c673abde9149a4281b 100644
--- a/cc/trees/layer_tree_host_unittest.cc
+++ b/cc/trees/layer_tree_host_unittest.cc
@@ -86,6 +86,30 @@ class LayerTreeHostTest : public LayerTreeTest {
   PrioritizedResourceManager* contents_texture_manager_;
 };
 
+class LayerTreeHostTestHasImplThreadTest : public LayerTreeHostTest {

[danakj, 2015/05/06 22:39:08]

while i like tests that test themselves, i don't know that we need tests to test
the test harness. i'd be rather ok without adding this test with the change. :)

+ public:
+  LayerTreeHostTestHasImplThreadTest() : threaded_(false) {}
+
+  void RunTest(bool threaded,
+               bool delegating_renderer,
+               bool impl_side_painting) override {
+    threaded_ = threaded;
+    LayerTreeHostTest::RunTest(threaded, delegating_renderer,
+                               impl_side_painting);
+  }
+
+  void BeginTest() override {
+    EXPECT_EQ(threaded_, HasImplThread());
+    EndTest();
+  }
+
+  void AfterTest() override { EXPECT_EQ(threaded_, HasImplThread()); }
+
+ private:
+  bool threaded_;
+};
+SINGLE_AND_MULTI_THREAD_IMPL_TEST_F(LayerTreeHostTestHasImplThreadTest);

[danakj, 2015/05/06 22:39:08]

whitespace after class defn

[mithro-old, 2015/05/06 23:24:43]

Done.

+
 class LayerTreeHostTestSetNeedsCommitInsideLayout : public LayerTreeHostTest {
  protected:
   void BeginTest() override { PostSetNeedsCommitToMainThread(); }