Some cleanup in GrTextureProvider and GrResourceProvider

tests/TessellatingPathRendererTests.cpp

Index: tests/TessellatingPathRendererTests.cpp
diff --git a/tests/TessellatingPathRendererTests.cpp b/tests/TessellatingPathRendererTests.cpp
index d6d33307e1cff4264fa50101f276a7751c08de6c..dbfd8250383fc92f3804d6dc34184fa97b21e629 100644
--- a/tests/TessellatingPathRendererTests.cpp
+++ b/tests/TessellatingPathRendererTests.cpp
@@ -261,8 +261,7 @@ DEF_GPUTEST(TessellatingPathRendererTests, reporter, factory) {
     desc.fHeight = 800;
     desc.fConfig = kSkia8888_GrPixelConfig;
     desc.fOrigin = kTopLeft_GrSurfaceOrigin;
-    SkAutoTUnref<GrTexture> texture(context->textureProvider()->refScratchTexture(desc,
-        GrTextureProvider::kExact_ScratchTexMatch));
+    SkAutoTUnref<GrTexture> texture(context->textureProvider()->createApproxTexture(desc));
     GrTestTarget tt;
     context->getTestTarget(&tt);
     GrRenderTarget* rt = texture->asRenderTarget();