Remove cc::LayerTreeHostImpl::IsContextLost

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 1607b71c886f16fbec9424f88ae0db44b7c00714..5d29a821022a402e22f0c0d6f9ff22eb7c54801c 100644
--- a/cc/trees/layer_tree_host_unittest_delegated.cc
+++ b/cc/trees/layer_tree_host_unittest_delegated.cc
@@ -352,13 +352,23 @@ class LayerTreeHostDelegatedTestCreateChildId
         context_provider->ContextGL()->Flush();
         break;
       case 3:
-        EXPECT_TRUE(delegated_impl->ChildId());
-        EXPECT_TRUE(did_reset_child_id_);
-        EndTest();
+        if (HasImplThread())
+          CheckForChildResetAndEnd(delegated_impl);
+        break;
+      case 4:
+        if (!HasImplThread())
+          CheckForChildResetAndEnd(delegated_impl);
         break;
     }
   }
 
+  void CheckForChildResetAndEnd(
+      FakeDelegatedRendererLayerImpl* delegated_impl) {
+    EXPECT_TRUE(delegated_impl->ChildId());
+    EXPECT_TRUE(did_reset_child_id_);
+    EndTest();
+  }
+
   virtual void InitializedRendererOnThread(LayerTreeHostImpl* host_impl,
                                            bool success) OVERRIDE {
     EXPECT_TRUE(success);
@@ -370,7 +380,13 @@ class LayerTreeHostDelegatedTestCreateChildId
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
-    EXPECT_EQ(2, num_activates_);
+    // The single thread proxy notifies the layer tree host of surface loss
+    // after the commit is complete.  So the commit number is 1 more than in the
+    // multithreaded case.
+    if (HasImplThread())
+      EXPECT_EQ(2, num_activates_);
+    else
+      EXPECT_EQ(3, num_activates_);
     EXPECT_FALSE(delegated_impl->ChildId());
     did_reset_child_id_ = true;
   }
@@ -445,7 +461,13 @@ class LayerTreeHostDelegatedTestInvalidFrameAfterContextLost
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
-    EXPECT_EQ(2, num_activates_);
+    // The single thread proxy notifies the layer tree host of surface loss
+    // after the commit is complete.  So the commit number is 1 more than in the
+    // multithreaded case.
+    if (HasImplThread())
+      EXPECT_EQ(2, num_activates_);
+    else
+      EXPECT_EQ(3, num_activates_);
     // Resources should have gotten cleared after the context was lost.
     EXPECT_EQ(0U, delegated_impl->Resources().size());
   }