[cc] Add window decoration layers (NinePatch)

webkit/compositor_bindings/WebLayerTest.cpp

Index: webkit/compositor_bindings/WebLayerTest.cpp
diff --git a/webkit/compositor_bindings/WebLayerTest.cpp b/webkit/compositor_bindings/WebLayerTest.cpp
index 36571d3835f02d13ee8ddc4e2b9d942efe354f69..193128f78b1d60cdbeb130557be2a64c33ff73b0 100644
--- a/webkit/compositor_bindings/WebLayerTest.cpp
+++ b/webkit/compositor_bindings/WebLayerTest.cpp
@@ -7,10 +7,12 @@
 
 #include "cc/test/compositor_fake_web_graphics_context_3d.h"
 #include "cc/test/web_compositor_initializer.h"
+#include "SkBitmap.h"
 #include "WebLayerImpl.h"
 #include "WebLayerTreeViewTestCommon.h"
 #include <public/WebContentLayer.h>
 #include <public/WebContentLayerClient.h>
+#include <public/WebDecorationLayer.h>
 #include <public/WebExternalTextureLayer.h>
 #include <public/WebFloatPoint.h>
 #include <public/WebFloatRect.h>
@@ -162,6 +164,16 @@ TEST_F(WebLayerTest, Client)
     m_rootLayer->addChild(solidColorLayer->layer());
     Mock::VerifyAndClearExpectations(&m_client);
 
+    // Decoration layer.
+    EXPECT_CALL(m_client, scheduleComposite()).Times(AtLeast(1));
+    OwnPtr<WebDecorationLayer> decorationLayer = adoptPtr(WebDecorationLayer::create());
+    m_rootLayer->addChild(decorationLayer->layer());
+    Mock::VerifyAndClearExpectations(&m_client);
+
+    EXPECT_CALL(m_client, scheduleComposite()).Times(AtLeast(1));
+    SkBitmap bitmap;
+    decorationLayer->setBitmap(bitmap, WebRect(10, 10, 5, 5));
+    Mock::VerifyAndClearExpectations(&m_client);
 }
 
 class MockScrollClient : public WebLayerScrollClient {