DevTools: untangle device discovery request from the devtools android bridge.

android_webview/browser/aw_devtools_manager_delegate.h

 // 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.
 
 #ifndef ANDROID_WEBVIEW_NATIVE_AW_DEVTOOLS_MANAGER_DELEGATE_H_
 #define ANDROID_WEBVIEW_NATIVE_AW_DEVTOOLS_MANAGER_DELEGATE_H_
 
 #include <jni.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "content/public/browser/devtools_manager_delegate.h"
 
 namespace android_webview {
 
 // Delegate implementation for the devtools http handler for WebView. A new
 // instance of this gets created each time web debugging is enabled.
 class AwDevToolsManagerDelegate : public content::DevToolsManagerDelegate {
  public:
   AwDevToolsManagerDelegate();
   ~AwDevToolsManagerDelegate() override;
 
   // content::DevToolsManagerDelegate implementation.
-  void Inspect(content::DevToolsAgentHost* agent_host) override;
-  void DevToolsAgentStateChanged(content::DevToolsAgentHost* agent_host,
-                                 bool attached) override;
   std::string GetTargetDescription(content::RenderFrameHost* host) override;
   std::string GetDiscoveryPageHTML() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AwDevToolsManagerDelegate);
 };
 
 } //  namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_NATIVE_AW_DEVTOOLS_MANAGER_DELEGATE_H_