Add initial support for NV_path_rendering extension to gpu command buffer

gpu/command_buffer/client/gles2_cmd_helper_autogen.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 2214 matching lines @@
 }
 
 void DiscardBackbufferCHROMIUM() {
   gles2::cmds::DiscardBackbufferCHROMIUM* c =
       GetCmdSpace<gles2::cmds::DiscardBackbufferCHROMIUM>();
   if (c) {
     c->Init();
   }
 }
 
+void MatrixMode(GLenum mode) {
+  gles2::cmds::MatrixMode* c = GetCmdSpace<gles2::cmds::MatrixMode>();
+  if (c) {
+    c->Init(mode);
+  }
+}
+
+void LoadMatrixf(uint32 m_shm_id, uint32 m_shm_offset) {
+  gles2::cmds::LoadMatrixf* c = GetCmdSpace<gles2::cmds::LoadMatrixf>();
+  if (c) {
+    c->Init(m_shm_id, m_shm_offset);
+  }
+}
+
+void LoadMatrixfImmediate(const GLfloat* m) {
+  const uint32 size = gles2::cmds::LoadMatrixfImmediate::ComputeSize();
+  gles2::cmds::LoadMatrixfImmediate* c =
+      GetImmediateCmdSpaceTotalSize<gles2::cmds::LoadMatrixfImmediate>(size);
+  if (c) {
+    c->Init(m);
+  }
+}
+
+void LoadIdentity() {
+  gles2::cmds::LoadIdentity* c = GetCmdSpace<gles2::cmds::LoadIdentity>();
+  if (c) {
+    c->Init();
+  }
+}
+
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_AUTOGEN_H_