Add initial support for NV_path_rendering extension to gpu command buffer

gpu/command_buffer/client/gles2_implementation_unittest_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 1821 matching lines @@
 TEST_F(GLES2ImplementationTest, DiscardBackbufferCHROMIUM) {
   struct Cmds {
     cmds::DiscardBackbufferCHROMIUM cmd;
   };
   Cmds expected;
   expected.cmd.Init();
 
   gl_->DiscardBackbufferCHROMIUM();
   EXPECT_EQ(0, memcmp(&expected, commands_, sizeof(expected)));
 }
+
+TEST_F(GLES2ImplementationTest, MatrixMode) {
+  struct Cmds {
+    cmds::MatrixMode cmd;
+  };
+  Cmds expected;
+  expected.cmd.Init(GL_PROJECTION);
+
+  gl_->MatrixMode(GL_PROJECTION);
+  EXPECT_EQ(0, memcmp(&expected, commands_, sizeof(expected)));
+}
+
+TEST_F(GLES2ImplementationTest, LoadMatrixf) {
+  GLfloat data[16] = {0};
+  struct Cmds {
+    cmds::LoadMatrixfImmediate cmd;
+    GLfloat data[16];
+  };
+
+  for (int jj = 0; jj < 16; ++jj) {
+    data[jj] = static_cast<GLfloat>(jj);
+  }
+  Cmds expected;
+  expected.cmd.Init(&data[0]);
+  gl_->LoadMatrixf(&data[0]);
+  EXPECT_EQ(0, memcmp(&expected, commands_, sizeof(expected)));
+}
+
+TEST_F(GLES2ImplementationTest, LoadIdentity) {
+  struct Cmds {
+    cmds::LoadIdentity cmd;
+  };
+  Cmds expected;
+  expected.cmd.Init();
+
+  gl_->LoadIdentity();
+  EXPECT_EQ(0, memcmp(&expected, commands_, sizeof(expected)));
+}
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_UNITTEST_AUTOGEN_H_