Adds local coords to GrEffect system.

src/gpu/effects/GrEllipseEdgeEffect.cpp

Index: src/gpu/effects/GrEllipseEdgeEffect.cpp
===================================================================
--- src/gpu/effects/GrEllipseEdgeEffect.cpp	(revision 8216)
+++ src/gpu/effects/GrEllipseEdgeEffect.cpp	(working copy)
@@ -15,20 +15,20 @@
 
 class GrGLEllipseEdgeEffect : public GrGLEffect {
 public:
-    GrGLEllipseEdgeEffect(const GrBackendEffectFactory& factory, const GrEffectRef&)
+    GrGLEllipseEdgeEffect(const GrBackendEffectFactory& factory, const GrDrawEffect&)
     : INHERITED (factory) {}
 
     virtual void emitCode(GrGLShaderBuilder* builder,
-                          const GrEffectStage& stage,
+                          const GrDrawEffect& drawEffect,
                           EffectKey key,
-                          const char* vertexCoords,
                           const char* outputColor,
                           const char* inputColor,
                           const TextureSamplerArray& samplers) SK_OVERRIDE {
         const char *vsName, *fsName;
         builder->addVarying(kVec4f_GrSLType, "EllipseEdge", &vsName, &fsName);
 
-        const SkString* attrName = builder->getEffectAttributeName(stage.getVertexAttribIndices()[0]);
+        const SkString* attrName =
+            builder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0]);
         builder->vsCodeAppendf("\t%s = %s;\n", vsName, attrName->c_str());
 
         builder->fsCodeAppend("\tfloat edgeAlpha;\n");
@@ -44,11 +44,11 @@
         builder->fsCodeAppendf("\t%s = %s;\n", outputColor, modulate.c_str());
     }
 
-    static inline EffectKey GenKey(const GrEffectStage& stage, const GrGLCaps&) {
+    static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&) {
         return 0;
     }
 
-    virtual void setData(const GrGLUniformManager& uman, const GrEffectStage& stage) SK_OVERRIDE {
+    virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVERRIDE {
     }
 
 private: