Support using OpenGL ES context on desktop

tests/BlurTest.cpp

Index: tests/BlurTest.cpp
diff --git a/tests/BlurTest.cpp b/tests/BlurTest.cpp
index c09a4ee1c664e548107c739b6d5f13a7c1728c95..f59635549ea18118b3592337f5af60f0e16c4764 100644
--- a/tests/BlurTest.cpp
+++ b/tests/BlurTest.cpp
@@ -277,7 +277,8 @@ static bool gpu_blur_path(GrContextFactory* factory, const SkPath& path,
                           SkScalar gaussianSigma,
                           int* result, int resultCount) {
 
-    GrContext* grContext = factory->get(GrContextFactory::kNative_GLContextType);
+    GrContext* grContext = factory->get(GrContextFactory::kNative_GLContextType,
+                                        kNone_GrGLStandard);

[mtklein, 2014/06/09 14:10:46]

Passing kNone in all these tests reads weird.  Can we make this
kDefault_GrGLStandard or kNative_GrGLStandard?

[robertphillips, 2014/06/09 14:31:05]

I agree - it is kind of weird.

[Kimmo Kinnunen, 2014/06/16 12:36:40]

That would be double the weird for all the other funcs that accept GrGLStandard,
as it would give the impression that there's 4 possible distinct values, and the
other code handles only 2 or max 3 cases.

I can of course make the "get" function to have default value in its second
parameter, eg. GrContextFactor::get(GLContextType type, GrGLStandard forcedApi =
kNone_GrGLStandard). The idea would be that passing kNone would read "set the
forced api to none, in other words do not force the api". Does this suffice?

     if (NULL == grContext) {
         return false;
     }