Generate path names on the client side

src/gpu/gl/GrGpuGL.h

Index: src/gpu/gl/GrGpuGL.h
diff --git a/src/gpu/gl/GrGpuGL.h b/src/gpu/gl/GrGpuGL.h
index f548af5f6aabd4cecd853f1c6af289287e478b46..f8541cff8686d8df518993cd2166d3bcc4e99166 100644
--- a/src/gpu/gl/GrGpuGL.h
+++ b/src/gpu/gl/GrGpuGL.h
@@ -26,6 +26,8 @@
 #define PROGRAM_CACHE_STATS
 #endif
 
+class GrGLNameAllocator;
+
 class GrGpuGL : public GrGpu {
 public:
     GrGpuGL(const GrGLContext& ctx, GrContext* context);
@@ -106,6 +108,11 @@ public:
     void notifyTextureDelete(GrGLTexture* texture);
     void notifyRenderTargetDelete(GrRenderTarget* renderTarget);
 
+    // These functions should be used to generate and delete GL path names. They have their own
+    // allocator that runs on the client side, so they are much faster than going through GenPaths.
+    GrGLuint createGLPathObject();
+    void deleteGLPathObject(GrGLuint);
+
 protected:
     virtual bool onCopySurface(GrSurface* dst,
                                GrSurface* src,
@@ -459,6 +466,8 @@ private:
     // from our loop that tries stencil formats and calls check fb status.
     int fLastSuccessfulStencilFmtIdx;
 
+    SkAutoTDelete<GrGLNameAllocator> fPathNameAllocator;
+
     typedef GrGpu INHERITED;
 };