Fix JavaScript alerts from frames with oopif on, after a cross-process click.

content/browser/frame_host/render_frame_host_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/render_frame_host_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 2393 matching lines @@
     // When pending deletion, just set the loading state to not loading.
     // Otherwise, OnDidStopLoading will take care of that, as well as sending
     // notification to the FrameTreeNode about the change in loading state.
     if (rfh_state_ != STATE_DEFAULT)
       is_loading_ = false;
     else
       OnDidStopLoading();
   }
 }
 
+void RenderFrameHostImpl::SuppressDialogsUntilSwapOut() {
+  Send(new FrameMsg_SuppressDialogsUntilSwapOut(GetRoutingID()));
+}
+
 bool RenderFrameHostImpl::IsSameSiteInstance(
     RenderFrameHostImpl* other_render_frame_host) {
   // As a sanity check, make sure the frame belongs to the same BrowserContext.
   CHECK_EQ(GetSiteInstance()->GetBrowserContext(),
            other_render_frame_host->GetSiteInstance()->GetBrowserContext());
   return GetSiteInstance() == other_render_frame_host->GetSiteInstance();
 }
 
 void RenderFrameHostImpl::SetAccessibilityMode(AccessibilityMode mode) {
   Send(new FrameMsg_SetAccessibilityMode(routing_id_, mode));
@@ skipping 334 matching lines @@
 }
 
 void RenderFrameHostImpl::CreateWebBluetoothService(
     blink::mojom::WebBluetoothServiceRequest request) {
   DCHECK(!web_bluetooth_service_);
   web_bluetooth_service_.reset(
       new WebBluetoothServiceImpl(this, std::move(request)));
 }
 
 }  // namespace content