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

src/gpu/gl/GrGLCaps.cpp

Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 153be6a4be80d7ca8ced8257f9fda0cce022ea68..bdb19e2e3a52e4eca288c0c4f9430cef15857594 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -309,8 +309,7 @@ void GrGLCaps::init(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) {
     // attachment, hence this min:
     fMaxRenderTargetSize = GrMin(fMaxTextureSize, fMaxRenderTargetSize);
 
-    fPathRenderingSupport = GR_GL_USE_NV_PATH_RENDERING &&
-                            ctxInfo.hasExtension("GL_NV_path_rendering");
+    fPathRenderingSupport = ctxInfo.hasExtension("GL_NV_path_rendering");
     SkASSERT(!fPathRenderingSupport || fFixedFunctionSupport);
 
     fDstReadInShaderSupport = kNone_FBFetchType != fFBFetchType;