Expose IsSolidColor and write units tests

cc/resources/picture.h

Index: cc/resources/picture.h
diff --git a/cc/resources/picture.h b/cc/resources/picture.h
index 78833d17e9144c0721ec888d216af7e94577d2cb..2915a7d10b0a43c56741bedc81af4d98620ba402 100644
--- a/cc/resources/picture.h
+++ b/cc/resources/picture.h
@@ -74,6 +74,7 @@ class CC_EXPORT Picture
   bool HasRecording() const { return picture_.get() != NULL; }
 
   bool IsSuitableForGpuRasterization() const;
+  int approximateOpCount() const;

[vmpstr, 2014/08/19 23:55:37]

This isn't named in cc style. Either approximate_op_count or
GetApproximateOpCount would work, I think.

[hendrikw, 2014/08/20 00:34:05]

Acknowledged.

 
   // Apply this scale and raster the negated region into the canvas.
   // |negated_content_region| specifies the region to be clipped out of the
@@ -84,6 +85,8 @@ class CC_EXPORT Picture
              const Region& negated_content_region,
              float contents_scale);
 
+  int AnalysisRaster(SkCanvas* canvas, SkDrawPictureCallback* callback);

[vmpstr, 2014/08/19 23:55:37]

nit: RasterForAnalysis or Analyze

[hendrikw, 2014/08/20 00:34:05]

Acknowledged.

+
   // Draw the picture directly into the given canvas, without applying any
   // clip/scale/layer transformations.
   void Replay(SkCanvas* canvas);