Remove access to WebContents in RWHVA::SynchronousFrameMetadata()

content/browser/devtools/render_frame_devtools_agent_host.cc

 // Copyright (c) 2012 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/devtools/render_frame_devtools_agent_host.h"
 
 #include <tuple>
 #include <utility>
 
 #include "base/guid.h"
@@ skipping 371 matching lines @@
 
 // static
 void RenderFrameDevToolsAgentHost::WebContentsCreated(
     WebContents* web_contents) {
   if (ShouldForceCreation()) {
     // Force agent host.
     DevToolsAgentHost::GetOrCreateFor(web_contents);
   }
 }
 
+// static
+bool RenderFrameDevToolsAgentHost::HasFor(RenderFrameHost* frame_host) {
+  return FindAgentHost(frame_host) != NULL;
+}
+
 RenderFrameDevToolsAgentHost::RenderFrameDevToolsAgentHost(
     RenderFrameHostImpl* host)
     : DevToolsAgentHostImpl(base::GenerateGUID()),
       dom_handler_(new devtools::dom::DOMHandler()),
       input_handler_(new devtools::input::InputHandler()),
       inspector_handler_(new devtools::inspector::InspectorHandler()),
       io_handler_(new devtools::io::IOHandler(GetIOContext())),
       network_handler_(new devtools::network::NetworkHandler()),
       page_handler_(nullptr),
       schema_handler_(new devtools::schema::SchemaHandler()),
@@ skipping 699 matching lines @@
     RenderFrameHost* host) {
   return (current_ && current_->host() == host) ||
       (pending_ && pending_->host() == host);
 }
 
 bool RenderFrameDevToolsAgentHost::IsChildFrame() {
   return current_ && current_->host()->GetParent();
 }
 
 }  // namespace content