cc/blimp: Set up the framework for LayerTreeTests in remote mode.

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 b22eda69ac35423021554c0fbaa1f242967dc54c..0ddbaecb8820a3233004a9dd8980ce668481e70a 100644
--- a/cc/trees/layer_tree_host_unittest.cc
+++ b/cc/trees/layer_tree_host_unittest.cc
@@ -6730,7 +6730,7 @@ class LayerTreeTestMaskLayerWithDifferentBounds : public LayerTreeTest {
   FakeContentLayerClient client_;
 };
 
-SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeTestMaskLayerWithDifferentBounds);
+SINGLE_MULTI_AND_REMOTE_TEST_F(LayerTreeTestMaskLayerWithDifferentBounds);
 
 class LayerTreeTestPageScaleFlags : public LayerTreeTest {
  protected:
@@ -6801,7 +6801,7 @@ class LayerTreeTestPageScaleFlags : public LayerTreeTest {
   std::vector<int> not_affected_by_page_scale_;
 };
 
-SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeTestPageScaleFlags);
+SINGLE_MULTI_AND_REMOTE_TEST_F(LayerTreeTestPageScaleFlags);
 
 class LayerTreeHostTestDestroyWhileInitializingOutputSurface
     : public LayerTreeHostTest {