gpu: Add CHROMIUM_texture_from_image spec and fence support.

gpu/command_buffer/service/texture_definition.cc

Index: gpu/command_buffer/service/texture_definition.cc
diff --git a/gpu/command_buffer/service/texture_definition.cc b/gpu/command_buffer/service/texture_definition.cc
index fcb2633c544f365b15c6533fb5e8709ae4fd82c5..da06b28318e4d2213bd48b252161aa26df575707 100644
--- a/gpu/command_buffer/service/texture_definition.cc
+++ b/gpu/command_buffer/service/texture_definition.cc
@@ -38,7 +38,7 @@ class GLImageSync : public gl::GLImage {
   void Destroy(bool have_context) override;
   gfx::Size GetSize() override;
   unsigned GetInternalFormat() override;
-  bool BindTexImage(unsigned target) override;
+  bool BindTexImage(unsigned target, gl::GLFence* fence) override;
   void ReleaseTexImage(unsigned target) override;
   bool CopyTexImage(unsigned target) override;
   bool CopyTexSubImage(unsigned target,
@@ -87,7 +87,7 @@ unsigned GLImageSync::GetInternalFormat() {
   return GL_RGBA;
 }
 
-bool GLImageSync::BindTexImage(unsigned target) {
+bool GLImageSync::BindTexImage(unsigned target, gl::GLFence* fence) {
   NOTREACHED();
   return false;
 }