[WIP] Add Context to SkDrawLooper.

tests/QuickRejectTest.cpp

Index: tests/QuickRejectTest.cpp
diff --git a/tests/QuickRejectTest.cpp b/tests/QuickRejectTest.cpp
index 5c1b8776c21697674a2f2e0c6137d12d3c83a591..01374a3f42f72bc09c3acef684f0a4b57bf84203 100644
--- a/tests/QuickRejectTest.cpp
+++ b/tests/QuickRejectTest.cpp
@@ -7,6 +7,7 @@
 
 #include "SkCanvas.h"
 #include "SkDrawLooper.h"
+#include "SkTypes.h"
 #include "Test.h"
 
 /*
@@ -14,19 +15,10 @@
  */
 class TestLooper : public SkDrawLooper {
 public:
-    bool fOnce;
 
-    virtual void init(SkCanvas*) SK_OVERRIDE {
-        fOnce = true;
-    }
-
-    virtual bool next(SkCanvas* canvas, SkPaint*) SK_OVERRIDE {
-        if (fOnce) {
-            fOnce = false;
-            canvas->translate(SkIntToScalar(10), 0);
-            return true;
-        }
-        return false;
+    virtual SkDrawLooper::DrawContext* init(SkCanvas*, void*, size_t) const
+            SK_OVERRIDE {
+        return SkNEW(TestDrawLooperContext);
     }
 
 #ifdef SK_DEVELOPER
@@ -35,6 +27,24 @@ public:
     }
 #endif
 
+private:
+    class TestDrawLooperContext : public SkDrawLooper::DrawContext {
+    public:
+        TestDrawLooperContext() : fOnce(true) {}
+        virtual ~TestDrawLooperContext() {}
+
+        virtual bool next(SkCanvas* canvas, SkPaint*) SK_OVERRIDE {
+            if (fOnce) {
+                fOnce = false;
+                canvas->translate(SkIntToScalar(10), 0);
+                return true;
+            }
+            return false;
+        }
+    private:
+        bool fOnce;
+    };
+
     SK_DECLARE_UNFLATTENABLE_OBJECT()
 };