Define DevTools content API

content/public/browser/devtools_agent_host_registry.h

Index: content/public/browser/devtools_agent_host_registry.h
diff --git a/content/public/browser/devtools_agent_host_registry.h b/content/public/browser/devtools_agent_host_registry.h
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+// Copyright (c) 2011 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 CONTENT_PUBLIC_BROWSER_DEVTOOLS_AGENT_HOST_REGISTRY_H_
+#define CONTENT_PUBLIC_BROWSER_DEVTOOLS_AGENT_HOST_REGISTRY_H_
+#pragma once
+
+#include "content/common/content_export.h"
+
+class RenderViewHost;
+class TabContents;
+
+namespace content {
+
+class DevToolsAgentHost;
+
+class CONTENT_EXPORT DevToolsAgentHostRegistry {
+ public:
+  // Returns DevToolsAgentHost that can be used for inspecting |rvh|.
+  // New DevToolsAgentHost will be created if it does not exist.
+  static DevToolsAgentHost* GetDevToolsAgentHost(RenderViewHost* rvh);
+
+  // Returns true iff an instance of DevToolsAgentHost for the |rvh|
+  // does exist.
+  static bool HasDevToolsAgentHost(RenderViewHost* rvh);
+
+  // Returns DevToolsAgentHost that can be used for inspecting shared worker
+  // with given worker process host id and routing id.
+  static DevToolsAgentHost* GetDevToolsAgentHostForWorker(
+      int worker_process_id,
+      int worker_route_id);
+
+  static bool IsDebuggerAttached(TabContents* tab_contents);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_DEVTOOLS_AGENT_HOST_REGISTRY_H_