Fix race with short-lived TextureImageTransportSurfaces

content/common/gpu/texture_image_transport_surface.cc

Index: content/common/gpu/texture_image_transport_surface.cc
diff --git a/content/common/gpu/texture_image_transport_surface.cc b/content/common/gpu/texture_image_transport_surface.cc
index e22082eef57cc84284d2906763f13fffaf13e2f2..c0f1071176c7937f38d7767db2948818e4e4748d 100644
--- a/content/common/gpu/texture_image_transport_surface.cc
+++ b/content/common/gpu/texture_image_transport_surface.cc
@@ -114,10 +114,7 @@ bool TextureImageTransportSurface::OnMakeCurrent(gfx::GLContext* context) {
     return true;
   }
 
-  if (!context_.get()) {
-    DCHECK(helper_->stub());
-    context_ = helper_->stub()->decoder()->GetGLContext();
-  }
+  context_ = context;
 
   if (!fbo_id_) {
     glGenFramebuffersEXT(1, &fbo_id_);