Revert "Turn NVPR on by default (but off in tools)."

include/gpu/gl/GrGLInterface.h

Index: include/gpu/gl/GrGLInterface.h
diff --git a/include/gpu/gl/GrGLInterface.h b/include/gpu/gl/GrGLInterface.h
index 317dd93c80d739ecedd16b5d2039bf05e49ea5b9..cd7c6bdf60db0211afcf87804875eb3cb5dd0b8c 100644
--- a/include/gpu/gl/GrGLInterface.h
+++ b/include/gpu/gl/GrGLInterface.h
@@ -72,11 +72,7 @@ typedef void (*GrGLInterfaceCallbackProc)(const GrGLInterface*);
 typedef intptr_t GrGLInterfaceCallbackData;
 #endif
 
-/** Function that returns a new interface identical to "interface" but without support for
-    GL_NV_path_rendering. */
-const GrGLInterface* GrGLInterfaceRemoveNVPR(const GrGLInterface* interface);
-
-/**
+/*
  * GrContext uses the following interface to make all calls into OpenGL. When a
  * GrContext is created it is given a GrGLInterface. The interface's function
  * pointers must be valid for the OpenGL context associated with the GrContext.
@@ -116,8 +112,6 @@ public:
 
     GrGLInterface();
 
-    static GrGLInterface* NewClone(const GrGLInterface*);
-
     // Validates that the GrGLInterface supports its advertised standard. This means the necessary
     // function pointers have been initialized for both the GL version and any advertised
     // extensions.
@@ -364,6 +358,7 @@ public:
         GLPtr<GrGLPointAlongPathProc> fPointAlongPath;
     } fFunctions;
 
+
     // Temporary workaround aliases to keep Chromium GrGLInterface factories compiling until they
     // assign the members of fFunctions.
     GLPtrAlias<GrGLActiveTextureProc> fActiveTexture;