[cc] Make LayerImpls point at LayerTreeImpl instead of LTHI

cc/solid_color_layer_impl_unittest.cc

Index: cc/solid_color_layer_impl_unittest.cc
diff --git a/cc/solid_color_layer_impl_unittest.cc b/cc/solid_color_layer_impl_unittest.cc
index fdad5c2fc64e330b4ef25a5fc304a424721695a8..6bf996d21402298744653c4f8d4681e0b12e8e78 100644
--- a/cc/solid_color_layer_impl_unittest.cc
+++ b/cc/solid_color_layer_impl_unittest.cc
@@ -28,7 +28,7 @@ TEST(SolidColorLayerImplTest, verifyTilingCompleteAndNoOverlap)
 
     FakeImplProxy proxy;
     FakeLayerTreeHostImpl hostImpl(&proxy);
-    scoped_ptr<SolidColorLayerImpl> layer = SolidColorLayerImpl::create(&hostImpl, 1);
+    scoped_ptr<SolidColorLayerImpl> layer = SolidColorLayerImpl::create(hostImpl.activeTree(), 1);
     layer->drawProperties().visible_content_rect = visibleContentRect;
     layer->setBounds(layerSize);
     layer->setContentBounds(layerSize);
@@ -51,7 +51,7 @@ TEST(SolidColorLayerImplTest, verifyCorrectBackgroundColorInQuad)
 
     FakeImplProxy proxy;
     FakeLayerTreeHostImpl hostImpl(&proxy);
-    scoped_ptr<SolidColorLayerImpl> layer = SolidColorLayerImpl::create(&hostImpl, 1);
+    scoped_ptr<SolidColorLayerImpl> layer = SolidColorLayerImpl::create(hostImpl.activeTree(), 1);
     layer->drawProperties().visible_content_rect = visibleContentRect;
     layer->setBounds(layerSize);
     layer->setContentBounds(layerSize);
@@ -76,7 +76,7 @@ TEST(SolidColorLayerImplTest, verifyCorrectOpacityInQuad)
 
     FakeImplProxy proxy;
     FakeLayerTreeHostImpl hostImpl(&proxy);
-    scoped_ptr<SolidColorLayerImpl> layer = SolidColorLayerImpl::create(&hostImpl, 1);
+    scoped_ptr<SolidColorLayerImpl> layer = SolidColorLayerImpl::create(hostImpl.activeTree(), 1);
     layer->drawProperties().visible_content_rect = visibleContentRect;
     layer->setBounds(layerSize);
     layer->setContentBounds(layerSize);
@@ -110,7 +110,7 @@ TEST(SolidColorLayerImplTest, verifyOpaqueRect)
     EXPECT_TRUE(layer->contentsOpaque());
 
     {
-        scoped_ptr<SolidColorLayerImpl> layerImpl = SolidColorLayerImpl::create(&hostImpl, layer->id());
+        scoped_ptr<SolidColorLayerImpl> layerImpl = SolidColorLayerImpl::create(hostImpl.activeTree(), layer->id());
         layer->pushPropertiesTo(layerImpl.get());
 
         // The impl layer should call itself opaque as well.
@@ -132,7 +132,7 @@ TEST(SolidColorLayerImplTest, verifyOpaqueRect)
     EXPECT_FALSE(layer->contentsOpaque());
 
     {
-        scoped_ptr<SolidColorLayerImpl> layerImpl = SolidColorLayerImpl::create(&hostImpl, layer->id());
+        scoped_ptr<SolidColorLayerImpl> layerImpl = SolidColorLayerImpl::create(hostImpl.activeTree(), layer->id());
         layer->pushPropertiesTo(layerImpl.get());
 
         // The impl layer should callnot itself opaque anymore.