[NOT FOR COMMIT] Fully replace SkCanvas uses.

content/browser/web_contents/aura/gesture_nav_simple.cc

Index: content/browser/web_contents/aura/gesture_nav_simple.cc
diff --git a/content/browser/web_contents/aura/gesture_nav_simple.cc b/content/browser/web_contents/aura/gesture_nav_simple.cc
index b826800c0dfa891cd593a2dc3ff75951d83d6a20..5e7b42cc497282a35ba5678e5ee2b3fadb749c99 100644
--- a/content/browser/web_contents/aura/gesture_nav_simple.cc
+++ b/content/browser/web_contents/aura/gesture_nav_simple.cc
@@ -15,6 +15,7 @@
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/overscroll_configuration.h"
 #include "content/public/common/content_client.h"
+#include "skia/ext/cdl_paint.h"
 #include "ui/aura/window.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_observer.h"
@@ -89,9 +90,9 @@ class ArrowLayerDelegate : public ui::LayerDelegate {
  private:
   // ui::LayerDelegate:
   void OnPaintLayer(const ui::PaintContext& context) override {
-    SkPaint paint;
+    CdlPaint paint;
     paint.setColor(SkColorSetARGB(0xa0, 0, 0, 0));
-    paint.setStyle(SkPaint::kFill_Style);
+    paint.setStyle(CdlPaint::kFill_Style);
     paint.setAntiAlias(true);
 
     // Set the recording size to be the size of the |arrow_| layer, and draw a