HeadlessWebContents Observers for devtools clients attaching/detatching

headless/lib/browser/headless_web_contents_impl.h

 // Copyright 2015 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 HEADLESS_LIB_BROWSER_HEADLESS_WEB_CONTENTS_IMPL_H_
 #define HEADLESS_LIB_BROWSER_HEADLESS_WEB_CONTENTS_IMPL_H_
 
 #include <list>
 #include <memory>
 #include <string>
 #include <unordered_map>
 
+#include "content/public/browser/devtools_agent_host_observer.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "headless/lib/browser/headless_window_tree_host.h"
 #include "headless/public/headless_devtools_target.h"
 #include "headless/public/headless_export.h"
 #include "headless/public/headless_web_contents.h"
 
 namespace content {
 class DevToolsAgentHost;
 class WebContents;
 }
 
 namespace gfx {
 class Size;
 }
 
 namespace headless {
 class HeadlessBrowserImpl;
 class HeadlessTabSocketImpl;
 class WebContentsObserverAdapter;
 
 // Exported for tests.
 class HEADLESS_EXPORT HeadlessWebContentsImpl
     : public HeadlessWebContents,
       public HeadlessDevToolsTarget,
+      public content::DevToolsAgentHostObserver,
       public content::RenderProcessHostObserver,
       public content::WebContentsObserver {
  public:
   ~HeadlessWebContentsImpl() override;
 
   static HeadlessWebContentsImpl* From(HeadlessWebContents* web_contents);
 
   static std::unique_ptr<HeadlessWebContentsImpl> Create(
       HeadlessWebContents::Builder* builder);
 
@@ skipping 10 matching lines @@
   bool GetFrameTreeNodeIdForDevToolsAgentHostId(
       const std::string& devtools_agent_host_id,
       int* frame_tree_node_id) const override;
 
   // HeadlessDevToolsTarget implementation:
   bool AttachClient(HeadlessDevToolsClient* client) override;
   void ForceAttachClient(HeadlessDevToolsClient* client) override;
   void DetachClient(HeadlessDevToolsClient* client) override;
   bool IsAttached() override;
 
-  // RenderProcessHostObserver implementation:
+  // content::DevToolsAgentHostObserver implementation:
+  void DevToolsAgentHostAttached(
+      content::DevToolsAgentHost* agent_host) override;
+  void DevToolsAgentHostDetached(
+      content::DevToolsAgentHost* agent_host) override;
+
+  // content::RenderProcessHostObserver implementation:
   void RenderProcessExited(content::RenderProcessHost* host,
                            base::TerminationStatus status,
                            int exit_code) override;
   void RenderProcessHostDestroyed(content::RenderProcessHost* host) override;
 
   // content::WebContentsObserver implementation:
   void RenderFrameCreated(content::RenderFrameHost* render_frame_host) override;
   void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
 
   content::WebContents* web_contents() const;
@@ skipping 40 matching lines @@
       std::unordered_map<HeadlessWebContents::Observer*,
                          std::unique_ptr<WebContentsObserverAdapter>>;
   ObserverMap observer_map_;
 
   DISALLOW_COPY_AND_ASSIGN(HeadlessWebContentsImpl);
 };
 
 }  // namespace headless
 
 #endif  // HEADLESS_LIB_BROWSER_HEADLESS_WEB_CONTENTS_IMPL_H_