gpu: Add CHROMIUM_texture_from_image spec and fence support.

gpu/command_buffer/tests/texture_image_factory.cc

Index: gpu/command_buffer/tests/texture_image_factory.cc
diff --git a/gpu/command_buffer/tests/texture_image_factory.cc b/gpu/command_buffer/tests/texture_image_factory.cc
index ba1468f294deb54ff19d82a9e56a1bf3a145245e..6db8d8ee49aa06ad7b15f6bcd45b345bedebb685 100644
--- a/gpu/command_buffer/tests/texture_image_factory.cc
+++ b/gpu/command_buffer/tests/texture_image_factory.cc
@@ -17,7 +17,7 @@ class TextureImage : public gl::GLImage {
   void Destroy(bool have_context) override {}
   gfx::Size GetSize() override { return size_; }
   unsigned GetInternalFormat() override { return GL_RGBA; }
-  bool BindTexImage(unsigned target) override {
+  bool BindTexImage(unsigned target, gl::GLFence* fence) override {
     glTexImage2D(target,
                  0,  // mip level
                  GetInternalFormat(), size_.width(), size_.height(),