Platform/Engine -> Backend
createPlatform -> wrapBackend

R=robertphillips@google.com
Review URL: https://codereview.appspot.com/6785044

git-svn-id: http://skia.googlecode.com/svn/trunk@6123 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/gpu/GrContextFactory.h b/include/gpu/GrContextFactory.h
index 600beda..95d02a2 100644
--- a/include/gpu/GrContextFactory.h
+++ b/include/gpu/GrContextFactory.h
@@ -95,9 +95,8 @@
         if (!glCtx.get()->init(kBogusSize, kBogusSize)) {
             return NULL;
         }
-        GrPlatform3DContext p3dctx =
-            reinterpret_cast<GrPlatform3DContext>(glCtx.get()->gl());
-        grCtx.reset(GrContext::Create(kOpenGL_Shaders_GrEngine, p3dctx));
+        GrBackendContext p3dctx = reinterpret_cast<GrBackendContext>(glCtx.get()->gl());
+        grCtx.reset(GrContext::Create(kOpenGL_GrBackend, p3dctx));
         if (!grCtx.get()) {
             return NULL;
         }