Implement SkImageFilter support in the compositor.

cc/damage_tracker_unittest.cc

Index: cc/damage_tracker_unittest.cc
diff --git a/cc/damage_tracker_unittest.cc b/cc/damage_tracker_unittest.cc
index 17f7d2f54f382192f14665a2a2126e56df3be8dd..35525c8da7708c80e0ae031d18c68585b364dd8e 100644
--- a/cc/damage_tracker_unittest.cc
+++ b/cc/damage_tracker_unittest.cc
@@ -59,7 +59,7 @@ void emulateDrawingOneFrame(CCLayerImpl* root)
     // Iterate back-to-front, so that damage correctly propagates from descendant surfaces to ancestors.
     for (int i = renderSurfaceLayerList.size() - 1; i >= 0; --i) {
         CCRenderSurface* targetSurface = renderSurfaceLayerList[i]->renderSurface();
-        targetSurface->damageTracker()->updateDamageTrackingState(targetSurface->layerList(), targetSurface->owningLayerId(), targetSurface->surfacePropertyChangedOnlyFromDescendant(), targetSurface->contentRect(), renderSurfaceLayerList[i]->maskLayer(), renderSurfaceLayerList[i]->filters());
+        targetSurface->damageTracker()->updateDamageTrackingState(targetSurface->layerList(), targetSurface->owningLayerId(), targetSurface->surfacePropertyChangedOnlyFromDescendant(), targetSurface->contentRect(), renderSurfaceLayerList[i]->maskLayer(), renderSurfaceLayerList[i]->filters(), renderSurfaceLayerList[i]->filter());
     }
 
     root->resetAllChangeTrackingForSubtree();
@@ -1095,7 +1095,7 @@ TEST_F(CCDamageTrackerTest, verifyDamageForEmptyLayerList)
     ASSERT_TRUE(root == root->renderTarget());
     CCRenderSurface* targetSurface = root->renderSurface();
     targetSurface->clearLayerLists();
-    targetSurface->damageTracker()->updateDamageTrackingState(targetSurface->layerList(), targetSurface->owningLayerId(), false, IntRect(), 0, WebFilterOperations());
+    targetSurface->damageTracker()->updateDamageTrackingState(targetSurface->layerList(), targetSurface->owningLayerId(), false, IntRect(), 0, WebFilterOperations(), 0);
 
     FloatRect damageRect = targetSurface->damageTracker()->currentDamageRect();
     EXPECT_TRUE(damageRect.isEmpty());