Move implementation of WebFilterOperations into cc

cc/trees/layer_tree_host_pixeltest_filters.cc

Index: cc/trees/layer_tree_host_pixeltest_filters.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_filters.cc b/cc/trees/layer_tree_host_pixeltest_filters.cc
index 3c7e346f669a7e3f96c7298b78d14908819e0b4b..06ec14c526b98ba144888b25be672130e70a9a9d 100644
--- a/cc/trees/layer_tree_host_pixeltest_filters.cc
+++ b/cc/trees/layer_tree_host_pixeltest_filters.cc
@@ -26,8 +26,8 @@ TEST_F(LayerTreeHostFiltersPixelTest, BackgroundFilterBlur) {
   background->AddChild(green);
   background->AddChild(blur);
 
-  WebKit::WebFilterOperations filters;
-  filters.append(WebKit::WebFilterOperation::createBlurFilter(2));
+  FilterOperations filters;
+  filters.Append(FilterOperation::CreateBlurFilter(2.f));
   blur->SetBackgroundFilters(filters);
 
   RunPixelTest(background,
@@ -51,8 +51,8 @@ TEST_F(LayerTreeHostFiltersPixelTest, BackgroundFilterBlurOutsets) {
   background->AddChild(green_border);
   background->AddChild(blur);
 
-  WebKit::WebFilterOperations filters;
-  filters.append(WebKit::WebFilterOperation::createBlurFilter(5));
+  FilterOperations filters;
+  filters.Append(FilterOperation::CreateBlurFilter(5.f));
   blur->SetBackgroundFilters(filters);
 
   RunPixelTest(background,
@@ -88,8 +88,8 @@ TEST_F(LayerTreeHostFiltersPixelTest, BackgroundFilterBlurOffAxis) {
   blur_transform.Translate(-60.0, -60.0);
   blur->SetTransform(blur_transform);
 
-  WebKit::WebFilterOperations filters;
-  filters.append(WebKit::WebFilterOperation::createBlurFilter(2));
+  FilterOperations filters;
+  filters.Append(FilterOperation::CreateBlurFilter(2.f));
   blur->SetBackgroundFilters(filters);
 
 #if defined(OS_WIN)