cc: Update Main RendererCapabilities on DeferredInitialize

cc/layers/texture_layer_unittest.cc

Index: cc/layers/texture_layer_unittest.cc
diff --git a/cc/layers/texture_layer_unittest.cc b/cc/layers/texture_layer_unittest.cc
index cfbe8133fbf51cd445a1397fd2dde1b0a19434a8..2069713b28b89e3366b4a675aff902ed5e439981 100644
--- a/cc/layers/texture_layer_unittest.cc
+++ b/cc/layers/texture_layer_unittest.cc
@@ -795,13 +795,6 @@ class TextureLayerImplWithMailboxThreadedCallback : public LayerTreeTest {
     root_->AddChild(layer_);
     layer_tree_host()->SetRootLayer(root_);
     layer_tree_host()->SetViewportSize(bounds);
-    SetMailbox('1');
-    EXPECT_EQ(0, callback_count_);
-
-    // Case #1: change mailbox before the commit. The old mailbox should be
-    // released immediately.
-    SetMailbox('2');
-    EXPECT_EQ(1, callback_count_);
     PostSetNeedsCommitToMainThread();
   }
 
@@ -809,27 +802,32 @@ class TextureLayerImplWithMailboxThreadedCallback : public LayerTreeTest {
     ++commit_count_;
     switch (commit_count_) {
       case 1:
+        // First commit from setting up tree. Nothing to check.
+        SetMailbox('1');
+        EXPECT_EQ(0, callback_count_);
+        break;
+      case 2:
         // Case #2: change mailbox after the commit (and draw), where the
         // layer draws. The old mailbox should be released during the next
         // commit.
-        SetMailbox('3');
-        EXPECT_EQ(1, callback_count_);
+        SetMailbox('2');
+        EXPECT_EQ(0, callback_count_);
         break;
-      case 2:
-        EXPECT_EQ(2, callback_count_);
+      case 3:
+        EXPECT_EQ(1, callback_count_);
         // Case #3: change mailbox when the layer doesn't draw. The old
         // mailbox should be released during the next commit.
         layer_->SetBounds(gfx::Size());
-        SetMailbox('4');
+        SetMailbox('3');
         break;
-      case 3:
-        EXPECT_EQ(3, callback_count_);
+      case 4:
+        EXPECT_EQ(2, callback_count_);
         // Case #4: release mailbox that was committed but never drawn. The
         // old mailbox should be released during the next commit.
         layer_->SetTextureMailbox(TextureMailbox(),
                                   scoped_ptr<SingleReleaseCallback>());
         break;
-      case 4:
+      case 5:
         if (layer_tree_host()->settings().impl_side_painting) {
           // With impl painting, the texture mailbox will still be on the impl
           // thread when the commit finishes, because the layer is not drawble
@@ -841,18 +839,18 @@ class TextureLayerImplWithMailboxThreadedCallback : public LayerTreeTest {
         } else {
           ++commit_count_;
         }
-      case 5:
-        EXPECT_EQ(4, callback_count_);
+      case 6:
+        EXPECT_EQ(3, callback_count_);
         // Restore a mailbox for the next step.
-        SetMailbox('5');
+        SetMailbox('4');
         break;
-      case 6:
+      case 7:
         // Case #5: remove layer from tree. Callback should *not* be called, the
         // mailbox is returned to the main thread.
-        EXPECT_EQ(4, callback_count_);
+        EXPECT_EQ(3, callback_count_);
         layer_->RemoveFromParent();
         break;
-      case 7:
+      case 8:
         if (layer_tree_host()->settings().impl_side_painting) {
           // With impl painting, the texture mailbox will still be on the impl
           // thread when the commit finishes, because the layer is not around to
@@ -863,12 +861,12 @@ class TextureLayerImplWithMailboxThreadedCallback : public LayerTreeTest {
         } else {
           ++commit_count_;
         }
-      case 8:
-        EXPECT_EQ(4, callback_count_);
+      case 9:
+        EXPECT_EQ(3, callback_count_);
         // Resetting the mailbox will call the callback now.
         layer_->SetTextureMailbox(TextureMailbox(),
                                   scoped_ptr<SingleReleaseCallback>());
-        EXPECT_EQ(5, callback_count_);
+        EXPECT_EQ(4, callback_count_);
         EndTest();
         break;
       default: