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 a2c26234dbab4d4195ffbc259d1403c461c1a80e..57ed6cfa540368b09160ff6bf4f5ef3bea484185 100644
--- a/gpu/command_buffer/tests/texture_image_factory.cc
+++ b/gpu/command_buffer/tests/texture_image_factory.cc
@@ -16,7 +16,7 @@ class TextureImage : public gl::GLImage {
 
   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(),