Make GrGLContextInfo have private ptr to GrGLInterface

BUG=skia:2042
R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/140843003

git-svn-id: http://skia.googlecode.com/svn/trunk@13111 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLShaderBuilder.cpp b/src/gpu/gl/GrGLShaderBuilder.cpp
index 3d01ba5..89f4cbf 100644
--- a/src/gpu/gl/GrGLShaderBuilder.cpp
+++ b/src/gpu/gl/GrGLShaderBuilder.cpp
@@ -649,7 +649,7 @@
     GR_GL_CALL(gli, CompileShader(shaderId));
 
     // Calling GetShaderiv in Chromium is quite expensive. Assume success in release builds.
-    bool checkCompiled = !glCtx.info().isChromium();
+    bool checkCompiled = !glCtx.isChromium();
 #ifdef SK_DEBUG
     checkCompiled = true;
 #endif