gpu: Add CHROMIUM_texture_from_image spec and fence support.

ui/gl/gl_image_glx.cc

 // Copyright (c) 2012 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.
 
 extern "C" {
 #include <X11/Xlib.h>
 }
 
 #include <memory>
 
@@ skipping 141 matching lines @@
 
   return true;
 }
 
 gfx::Size GLImageGLX::GetSize() {
   return size_;
 }
 
 unsigned GLImageGLX::GetInternalFormat() { return internalformat_; }
 
-bool GLImageGLX::BindTexImage(unsigned target) {
+bool GLImageGLX::BindTexImage(unsigned target, GLFence* fence) {
   if (!glx_pixmap_)
     return false;
 
   // Requires TEXTURE_2D target.
   if (target != GL_TEXTURE_2D)
     return false;
 
   glXBindTexImageEXT(gfx::GetXDisplay(), glx_pixmap_, GLX_FRONT_LEFT_EXT, 0);
   return true;
 }
@@ skipping 23 matching lines @@
   return false;
 }
 
 void GLImageGLX::OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
                               uint64_t process_tracing_id,
                               const std::string& dump_name) {
   // TODO(ericrk): Implement GLImage OnMemoryDump. crbug.com/514914
 }
 
 }  // namespace gl