Delete layout_viewport_size.

cc/trees/layer_tree_host_unittest_delegated.cc

Index: cc/trees/layer_tree_host_unittest_delegated.cc
diff --git a/cc/trees/layer_tree_host_unittest_delegated.cc b/cc/trees/layer_tree_host_unittest_delegated.cc
index 380113a804a4293320cd2c520aaa45aff2826470..6473218df5a329cf7bf573ddbc4a992969905549 100644
--- a/cc/trees/layer_tree_host_unittest_delegated.cc
+++ b/cc/trees/layer_tree_host_unittest_delegated.cc
@@ -1034,7 +1034,7 @@ class LayerTreeHostDelegatedTestResourceSentToParent
  public:
   virtual void BeginTest() OVERRIDE {
     // Prevent drawing with resources that are sent to the grandparent.
-    layer_tree_host()->SetViewportSize(gfx::Size(10, 10), gfx::Size());
+    layer_tree_host()->SetViewportSize(gfx::Size());
     PostSetNeedsCommitToMainThread();
   }
 
@@ -1149,7 +1149,7 @@ class LayerTreeHostDelegatedTestCommitWithoutTake
  public:
   virtual void BeginTest() OVERRIDE {
     // Prevent drawing with resources that are sent to the grandparent.
-    layer_tree_host()->SetViewportSize(gfx::Size(10, 10), gfx::Size());
+    layer_tree_host()->SetViewportSize(gfx::Size());
     PostSetNeedsCommitToMainThread();
   }