Remove cc::LayerTreeHostImpl::IsContextLost

cc/trees/layer_tree_host_impl_unittest.cc

Index: cc/trees/layer_tree_host_impl_unittest.cc
diff --git a/cc/trees/layer_tree_host_impl_unittest.cc b/cc/trees/layer_tree_host_impl_unittest.cc
index 167b65a0a2ecfb629fab2472949b5bc59ddf238a..115c07405001ccc890f5756bd53b21a5be173ca6 100644
--- a/cc/trees/layer_tree_host_impl_unittest.cc
+++ b/cc/trees/layer_tree_host_impl_unittest.cc
@@ -2128,6 +2128,13 @@ TEST_F(LayerTreeHostImplTest,
   host_impl_->DidDrawAllLayers(frame);
 }
 
+TEST_F(LayerTreeHostImplTest, PrepareToDrawFailsWhenSurfaceLost) {
+  SetupRootLayerImpl(LayerImpl::Create(host_impl_->active_tree(), 1));
+  host_impl_->DidLoseOutputSurface();
+  LayerTreeHostImpl::FrameData frame;
+  EXPECT_EQ(DRAW_ABORTED_CONTEXT_LOST, host_impl_->PrepareToDraw(&frame));
+}
+
 TEST_F(LayerTreeHostImplTest, ScrollRootIgnored) {
   scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl_->active_tree(), 1);
   root->SetScrollClipLayer(Layer::INVALID_ID);
@@ -7010,22 +7017,13 @@ class LayerTreeHostImplCountingLostSurfaces : public LayerTreeHostImplTest {
 };
 
 TEST_F(LayerTreeHostImplCountingLostSurfaces, TwiceLostSurface) {
-  // The medium term, we plan to remove LayerTreeHostImpl::IsContextLost().
-  // Until then, we need the state variable
-  // LayerTreeHostImpl::have_valid_output_surface_ and we can
-  // enforce the following behaviour, where calling DidLoseOutputSurface
-  // twice in a row only causes one subsequent
-  // call to LayerTreeHostImplClient::DidLoseOutputSurfaceOnImplThread().
   // Really we just need at least one client notification each time
   // we go from having a valid output surface to not having a valid output
   // surface.
   EXPECT_EQ(0, num_lost_surfaces_);
-  EXPECT_FALSE(host_impl_->IsContextLost());
   host_impl_->DidLoseOutputSurface();
-  EXPECT_TRUE(host_impl_->IsContextLost());
   EXPECT_EQ(1, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
-  EXPECT_TRUE(host_impl_->IsContextLost());
   EXPECT_EQ(1, num_lost_surfaces_);
 }