aura: Add Layer::LAYER_SOLID_COLOR to compositor.

ui/aura/demo/demo_main.cc

Index: ui/aura/demo/demo_main.cc
diff --git a/ui/aura/demo/demo_main.cc b/ui/aura/demo/demo_main.cc
index 35ee2df99381c3695ff9b4a13a932612cec42315..dd087587cbc92c0a9463dd38879556113087e8d9 100644
--- a/ui/aura/demo/demo_main.cc
+++ b/ui/aura/demo/demo_main.cc
@@ -94,7 +94,7 @@ int main(int argc, char** argv) {
   DemoWindowDelegate window_delegate1(SK_ColorBLUE);
   aura::Window window1(&window_delegate1);
   window1.set_id(1);
-  window1.Init(ui::Layer::LAYER_HAS_TEXTURE);
+  window1.Init(ui::Layer::LAYER_TEXTURED);
   window1.SetBounds(gfx::Rect(100, 100, 400, 400));
   window1.Show();
   window1.SetParent(NULL);
@@ -102,7 +102,7 @@ int main(int argc, char** argv) {
   DemoWindowDelegate window_delegate2(SK_ColorRED);
   aura::Window window2(&window_delegate2);
   window2.set_id(2);
-  window2.Init(ui::Layer::LAYER_HAS_TEXTURE);
+  window2.Init(ui::Layer::LAYER_TEXTURED);
   window2.SetBounds(gfx::Rect(200, 200, 350, 350));
   window2.Show();
   window2.SetParent(NULL);
@@ -110,7 +110,7 @@ int main(int argc, char** argv) {
   DemoWindowDelegate window_delegate3(SK_ColorGREEN);
   aura::Window window3(&window_delegate3);
   window3.set_id(3);
-  window3.Init(ui::Layer::LAYER_HAS_TEXTURE);
+  window3.Init(ui::Layer::LAYER_TEXTURED);
   window3.SetBounds(gfx::Rect(10, 10, 50, 50));
   window3.Show();
   window3.SetParent(&window2);