PlzNavigate: Fix for the http/tests/inspector/resource-har-conversion.html layout test failure.

third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp

 /*
  * Copyright (C) 2010-2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 578 matching lines @@
 }
 
 WebString WebDevToolsAgentImpl::evaluateInWebInspectorOverlay(
     const WebString& script) {
   if (!m_overlay)
     return WebString();
 
   return m_overlay->evaluateInOverlayForTest(script);
 }
 
+bool WebDevToolsAgentImpl::cacheDisabled() {
+  if (!m_networkAgent)
+    return false;
+  return m_networkAgent->cacheDisabled();
+}
+
 void WebDevToolsAgentImpl::flushProtocolNotifications() {
   if (m_session)
     m_session->flushProtocolNotifications();
 }
 
 void WebDevToolsAgentImpl::willProcessTask() {
   if (!attached())
     return;
   ThreadDebugger::idleFinished(V8PerIsolateData::mainThreadIsolate());
 }
@@ skipping 29 matching lines @@
 }
 
 bool WebDevToolsAgent::shouldInterruptForMethod(const WebString& method) {
   return method == "Debugger.pause" || method == "Debugger.setBreakpoint" ||
          method == "Debugger.setBreakpointByUrl" ||
          method == "Debugger.removeBreakpoint" ||
          method == "Debugger.setBreakpointsActive";
 }
 
 }  // namespace blink