command_buffer: Implement path rendering functions for CHROMIUM_path_rendering

gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc

Index: gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc
diff --git a/gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc b/gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc
index 2894cf7c7d52b9b469bffa19352dde0e8317b27a..1e4f99337863e5fa4f068b04495ee555b5df1424 100644
--- a/gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc
+++ b/gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc
@@ -140,6 +140,23 @@ GrGLInterface* CreateCommandBufferSkiaGLBinding() {
   functions->fBindUniformLocation = glBindUniformLocationCHROMIUM;
   functions->fBlitFramebuffer = glBlitFramebufferCHROMIUM;
   functions->fGenerateMipmap = glGenerateMipmap;
+  functions->fMatrixLoadf = glMatrixLoadfCHROMIUM;
+  functions->fMatrixLoadIdentity = glMatrixLoadIdentityCHROMIUM;
+  functions->fPathCommands = glPathCommandsCHROMIUM;
+  functions->fPathParameteri = glPathParameteriCHROMIUM;
+  functions->fPathParameterf = glPathParameterfCHROMIUM;
+  functions->fGenPaths = glGenPathsCHROMIUM;
+  functions->fDeletePaths = glDeletePathsCHROMIUM;
+  functions->fPathStencilFunc = glPathStencilFuncCHROMIUM;
+  functions->fStencilFillPath = glStencilFillPathCHROMIUM;
+  functions->fStencilFillPathInstanced = glStencilFillPathInstancedCHROMIUM;
+  functions->fStencilStrokePath = glStencilStrokePathCHROMIUM;
+  functions->fStencilStrokePathInstanced = glStencilStrokePathInstancedCHROMIUM;
+  functions->fCoverFillPath = glCoverFillPathCHROMIUM;
+  functions->fCoverFillPathInstanced = glCoverFillPathInstancedCHROMIUM;
+  functions->fCoverStrokePath = glCoverStrokePathCHROMIUM;
+  functions->fCoverStrokePathInstanced = glCoverStrokePathInstancedCHROMIUM;
+  functions->fPathTexGen = glPathTexGenCHROMIUM;
 
   return interface;
 }