gpu: Add CHROMIUM_texture_from_image spec and fence support.

gpu/command_buffer/service/texture_manager_unittest.cc

Index: gpu/command_buffer/service/texture_manager_unittest.cc
diff --git a/gpu/command_buffer/service/texture_manager_unittest.cc b/gpu/command_buffer/service/texture_manager_unittest.cc
index 29614a0a8e0f46af05a505c9a4ab4141a042e06c..6088749059d59cdea34ac2afde162ef2bac517fe 100644
--- a/gpu/command_buffer/service/texture_manager_unittest.cc
+++ b/gpu/command_buffer/service/texture_manager_unittest.cc
@@ -154,7 +154,9 @@ class GLStreamTextureImageStub : public GLStreamTextureImage {
   void Destroy(bool have_context) override {}
   gfx::Size GetSize() override { return gfx::Size(); }
   unsigned GetInternalFormat() override { return 0; }
-  bool BindTexImage(unsigned target) override { return false; }
+  bool BindTexImage(unsigned target, gl::GLFence* fence) override {
+    return false;
+  }
   void ReleaseTexImage(unsigned target) override {}
   bool CopyTexImage(unsigned target) override { return false; }
   bool CopyTexSubImage(unsigned target,