Organize internal properties of cc/ layer types

cc/layer.cc

Index: cc/layer.cc
diff --git a/cc/layer.cc b/cc/layer.cc
index 242ad765ed55ec51053e471195c8530c80ad0e2e..aaf24c85b0a0963901c55e1545975d6806ca2809 100644
--- a/cc/layer.cc
+++ b/cc/layer.cc
@@ -55,12 +55,6 @@ Layer::Layer()
     , m_drawCheckerboardForMissingTiles(false)
     , m_forceRenderSurface(false)
     , m_replicaLayer(0)
-    , m_drawOpacity(0)
-    , m_drawOpacityIsAnimating(false)
-    , m_renderTarget(0)
-    , m_drawTransformIsAnimating(false)
-    , m_screenSpaceTransformIsAnimating(false)
-    , m_isClipped(false)
     , m_rasterScale(1.0)
     , m_automaticallyComputeRasterScale(false)
     , m_boundsContainPageScale(false)
@@ -695,7 +689,7 @@ void Layer::createRenderSurface()
 {
     DCHECK(!m_renderSurface);
     m_renderSurface = make_scoped_ptr(new RenderSurface(this));
-    setRenderTarget(this);
+    m_drawProperties.renderTarget = this;
 }
 
 int Layer::descendantsDrawContent()