Change GrDefaultGeoProcFactory to a namespace

src/gpu/GrRectBatch.cpp

Index: src/gpu/GrRectBatch.cpp
diff --git a/src/gpu/GrRectBatch.cpp b/src/gpu/GrRectBatch.cpp
index 5ef5591489c898d25d0f9eac20f95ec956e8ae5f..efb45de8e14fc4803b08a3899fded5ce28cf6a62 100644
--- a/src/gpu/GrRectBatch.cpp
+++ b/src/gpu/GrRectBatch.cpp
@@ -175,9 +175,7 @@ private:
         The vertex attrib order is always pos, color, [local coords].
      */
     const GrGeometryProcessor* createRectGP() {
-        typedef GrDefaultGeoProcFactory::Color Color;
-        typedef GrDefaultGeoProcFactory::Coverage Coverage;
-        typedef GrDefaultGeoProcFactory::LocalCoords LocalCoords;
+        using namespace GrDefaultGeoProcFactory;
         Color color(Color::kAttribute_Type);
         Coverage coverage(this->coverageIgnored() ? Coverage::kNone_Type : Coverage::kSolid_Type);