Enable distance field path rendering in Chrome.

- Add stat tracking for df-renderable paths
- Modify GPU rasterization veto to account for df-renderable paths
- Remove #define hiding df paths from Chromium and Android

BUG=skia:2935

Review URL: https://codereview.chromium.org/685113003

1 files changed, 3 insertions, 0 deletions

diff --git a/src/core/SkPictureContentInfo.h b/src/core/SkPictureContentInfo.h
index d4d1d4fc5f..f255f7df65 100644
--- a/src/core/SkPictureContentInfo.h
+++ b/src/core/SkPictureContentInfo.h
@@ -60,6 +60,9 @@ private:
     // This field is incremented every time a drawPath call is
     // issued for a hairline stroked concave path.
     int fNumAAHairlineConcavePaths;
+    // This field is incremented every time a drawPath call is
+    // issued for a concave path that can be rendered with distance fields
+    int fNumAADFEligibleConcavePaths;
     // These fields track the different layer flavors. fNumLayers is just
     // a count of all saveLayers, fNumInteriorLayers is the number of layers
     // with a layer inside them, fNumLeafLayers is the number of layers with