Populate NVPR functions when run with command buffer

Populate the NV_path_rendering functions provided by
CHROMIUM_path_rendering when the tools are being run with
command buffer API.

BUG=skia:2992

Review URL: https://codereview.chromium.org/1510163003
diff --git a/src/gpu/gl/GrGLAssembleInterface.cpp b/src/gpu/gl/GrGLAssembleInterface.cpp
index dbc54ad..93d49556 100644
--- a/src/gpu/gl/GrGLAssembleInterface.cpp
+++ b/src/gpu/gl/GrGLAssembleInterface.cpp
@@ -745,6 +745,33 @@
         GET_PROC_SUFFIX(ProgramPathFragmentInputGen, NV);
     }
 
+    if (extensions.has("GL_CHROMIUM_path_rendering")) {
+        GET_PROC_SUFFIX(MatrixLoadf, CHROMIUM);
+        GET_PROC_SUFFIX(MatrixLoadIdentity, CHROMIUM);
+        GET_PROC_SUFFIX(PathCommands, CHROMIUM);
+        GET_PROC_SUFFIX(PathParameteri, CHROMIUM);
+        GET_PROC_SUFFIX(PathParameterf, CHROMIUM);
+        GET_PROC_SUFFIX(GenPaths, CHROMIUM);
+        GET_PROC_SUFFIX(DeletePaths, CHROMIUM);
+        GET_PROC_SUFFIX(IsPath, CHROMIUM);
+        GET_PROC_SUFFIX(PathStencilFunc, CHROMIUM);
+        GET_PROC_SUFFIX(StencilFillPath, CHROMIUM);
+        GET_PROC_SUFFIX(StencilStrokePath, CHROMIUM);
+        GET_PROC_SUFFIX(StencilFillPathInstanced, CHROMIUM);
+        GET_PROC_SUFFIX(StencilStrokePathInstanced, CHROMIUM);
+        GET_PROC_SUFFIX(CoverFillPath, CHROMIUM);
+        GET_PROC_SUFFIX(CoverStrokePath, CHROMIUM);
+        GET_PROC_SUFFIX(CoverFillPathInstanced, CHROMIUM);
+        GET_PROC_SUFFIX(CoverStrokePathInstanced, CHROMIUM);
+        GET_PROC_SUFFIX(StencilThenCoverFillPath, CHROMIUM);
+        GET_PROC_SUFFIX(StencilThenCoverStrokePath, CHROMIUM);
+        GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, CHROMIUM);
+        GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, CHROMIUM);
+        GET_PROC_SUFFIX(ProgramPathFragmentInputGen, CHROMIUM);
+        // GL_CHROMIUM_path_rendering additions:
+        GET_PROC_SUFFIX(BindFragmentInputLocation, CHROMIUM);
+    }
+
     if (extensions.has("GL_NV_framebuffer_mixed_samples")) {
         GET_PROC_SUFFIX(CoverageModulation, NV);
     }
diff --git a/src/gpu/gl/GrGLInterface.cpp b/src/gpu/gl/GrGLInterface.cpp
index da3c656..9cdc9f4 100644
--- a/src/gpu/gl/GrGLInterface.cpp
+++ b/src/gpu/gl/GrGLInterface.cpp
@@ -39,6 +39,9 @@
     GrGLInterface* newInterface = GrGLInterface::NewClone(interface);
 
     newInterface->fExtensions.remove("GL_NV_path_rendering");
+    newInterface->fExtensions.remove("GL_CHROMIUM_path_rendering");
+    newInterface->fFunctions.fMatrixLoadf = nullptr;
+    newInterface->fFunctions.fMatrixLoadIdentity = nullptr;
     newInterface->fFunctions.fPathCommands = nullptr;
     newInterface->fFunctions.fPathParameteri = nullptr;
     newInterface->fFunctions.fPathParameterf = nullptr;