Add CopyTexSubImage3D to GPU command buffer.

gpu/command_buffer/client/gles2_implementation_impl_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 395 matching lines @@
   }
   if (height < 0) {
     SetGLError(GL_INVALID_VALUE, "glCopyTexSubImage2D", "height < 0");
     return;
   }
   helper_->CopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width,
                              height);
   CheckGLError();
 }
 
+void GLES2Implementation::CopyTexSubImage3D(GLenum target,
+                                            GLint level,
+                                            GLint xoffset,
+                                            GLint yoffset,
+                                            GLint zoffset,
+                                            GLint x,
+                                            GLint y,
+                                            GLsizei width,
+                                            GLsizei height) {
+  GPU_CLIENT_SINGLE_THREAD_CHECK();
+  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCopyTexSubImage3D("
+                     << GLES2Util::GetStringTexture3DTarget(target) << ", "
+                     << level << ", " << xoffset << ", " << yoffset << ", "
+                     << zoffset << ", " << x << ", " << y << ", " << width
+                     << ", " << height << ")");
+  if (width < 0) {
+    SetGLError(GL_INVALID_VALUE, "glCopyTexSubImage3D", "width < 0");
+    return;
+  }
+  if (height < 0) {
+    SetGLError(GL_INVALID_VALUE, "glCopyTexSubImage3D", "height < 0");
+    return;
+  }
+  helper_->CopyTexSubImage3D(target, level, xoffset, yoffset, zoffset, x, y,
+                             width, height);
+  CheckGLError();
+}
+
 GLuint GLES2Implementation::CreateProgram() {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCreateProgram("
                      << ")");
   GLuint client_id;
   GetIdHandler(id_namespaces::kProgramsAndShaders)
       ->MakeIds(this, 0, 1, &client_id);
   helper_->CreateProgram(client_id);
   GPU_CLIENT_LOG("returned " << client_id);
   CheckGLError();
@@ skipping 2900 matching lines @@
 
 void GLES2Implementation::BlendBarrierKHR() {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBlendBarrierKHR("
                      << ")");
   helper_->BlendBarrierKHR();
   CheckGLError();
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_IMPL_AUTOGEN_H_