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 e656b7e0fd8359da739068ac15c2566e6ca6ccad..c08de19c52ddac802f37ee3054e2975435771828 100644
--- a/gpu/command_buffer/service/texture_definition.cc
+++ b/gpu/command_buffer/service/texture_definition.cc
@@ -37,7 +37,7 @@ class GLImageSync : public gl::GLImage {
   // Implement GLImage.
   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,
@@ -83,7 +83,7 @@ unsigned GLImageSync::GetInternalFormat() {
   return GL_RGBA;
 }
 
-bool GLImageSync::BindTexImage(unsigned target) {
+bool GLImageSync::BindTexImage(unsigned target, gl::GLFence* fence) {
   NOTREACHED();
   return false;
 }