Rename OpacityTree to EffectTree

Effect tree is going to contain opacity as well as other render effects.
Change the name as a first step.

BUG=521717
R=enne
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1284103007

Cr-Commit-Position: refs/heads/master@{#343936}

1 files changed, 6 insertions, 6 deletions

diff --git a/cc/trees/draw_property_utils.h b/cc/trees/draw_property_utils.h
index cb47e5c..971fe10 100644
--- a/cc/trees/draw_property_utils.h
+++ b/cc/trees/draw_property_utils.h
@@ -19,7 +19,7 @@ class ClipTree;
 class Layer;
 class LayerImpl;
 class RenderSurfaceImpl;
-class OpacityTree;
+class EffectTree;
 class TransformTree;
 class PropertyTrees;
 
@@ -35,7 +35,7 @@ ComputeClips(ClipTree* clip_tree, const TransformTree& transform_tree);
 void CC_EXPORT ComputeTransforms(TransformTree* transform_tree);
 
 // Computes screen space opacity for every node in the opacity tree.
-void CC_EXPORT ComputeOpacities(OpacityTree* opacity_tree);
+void CC_EXPORT ComputeOpacities(EffectTree* effect_tree);
 
 // Computes the visible content rect for every layer under |root_layer|. The
 // visible content rect is the clipped content space rect that will be used for
@@ -109,11 +109,11 @@ bool CC_EXPORT
 ScreenSpaceTransformIsAnimatingFromPropertyTrees(const LayerImpl* layer,
                                                  const TransformTree& tree);
 
-float CC_EXPORT
-DrawOpacityFromPropertyTrees(const Layer* layer, const OpacityTree& tree);
+float CC_EXPORT DrawOpacityFromPropertyTrees(const Layer* layer,
+                                             const EffectTree& tree);
 
-float CC_EXPORT
-DrawOpacityFromPropertyTrees(const LayerImpl* layer, const OpacityTree& tree);
+float CC_EXPORT DrawOpacityFromPropertyTrees(const LayerImpl* layer,
+                                             const EffectTree& tree);
 
 bool CC_EXPORT
 CanUseLcdTextFromPropertyTrees(const LayerImpl* layer,