Fix a crash when saving a <canvas> or <img> image which is large.

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 6d05614a9e5596e36584aaac0cd9df50016aa1ab..19730c5ce7eec2ed36e447a07d2e206ed7115c74 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -1890,11 +1890,7 @@ void RenderFrameImpl::loadURLExternally(
   if (policy == blink::WebNavigationPolicyDownload) {
     render_view_->Send(new ViewHostMsg_DownloadUrl(render_view_->GetRoutingID(),
                                                    request.url(), referrer,
-                                                   suggested_name, false));
-  } else if (policy == blink::WebNavigationPolicyDownloadTo) {
-    render_view_->Send(new ViewHostMsg_DownloadUrl(render_view_->GetRoutingID(),
-                                                   request.url(), referrer,
-                                                   suggested_name, true));
+                                                   suggested_name));
   } else {
     OpenURL(frame, request.url(), referrer, policy);
   }