Remove redundant codepath for webgl api blocking

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 9cf995341c4fcc527670ec6fb5a23cb44729e9f5..f595e49f5c2f22b0e3208426efdf445d2559751b 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -4121,12 +4121,6 @@ bool RenderFrameImpl::allowWebGL(bool default_value) {
   return !blocked;
 }
 
-void RenderFrameImpl::didLoseWebGLContext(int arb_robustness_status_code) {
-  Send(new FrameHostMsg_DidLose3DContext(
-      blink::WebStringToGURL(frame_->top()->getSecurityOrigin().toString()),
-      THREE_D_API_TYPE_WEBGL, arb_robustness_status_code));
-}
-
 blink::WebScreenOrientationClient*
     RenderFrameImpl::webScreenOrientationClient() {
   if (!screen_orientation_dispatcher_)