Revert of DevTools: merge devtools target with devtools host, part 1

content/public/browser/devtools_agent_host.h

Index: content/public/browser/devtools_agent_host.h
diff --git a/content/public/browser/devtools_agent_host.h b/content/public/browser/devtools_agent_host.h
index e98f5dc9845f7e64082f82837d3821ee33e64dc7..33d341cfd46085a51a73c823d8569a19ca9a9095 100644
--- a/content/public/browser/devtools_agent_host.h
+++ b/content/public/browser/devtools_agent_host.h
@@ -11,7 +11,6 @@
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
-#include "base/time/time.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/devtools_agent_host_client.h"
 #include "url/gurl.h"
@@ -35,13 +34,25 @@
 class CONTENT_EXPORT DevToolsAgentHost
     : public base::RefCounted<DevToolsAgentHost> {
  public:
-  static char kTypePage[];
-  static char kTypeFrame[];
-  static char kTypeSharedWorker[];
-  static char kTypeServiceWorker[];
-  static char kTypeExternal[];
-  static char kTypeBrowser[];
-  static char kTypeOther[];
+  enum Type {
+    // Agent host associated with WebContents.
+    TYPE_WEB_CONTENTS,
+
+    // Agent host associated with RenderFrameHost.
+    TYPE_FRAME,
+
+    // Agent host associated with shared worker.
+    TYPE_SHARED_WORKER,
+
+    // Agent host associated with service worker.
+    TYPE_SERVICE_WORKER,
+
+    // Agent host associated with DevToolsExternalAgentProxyDelegate.
+    TYPE_EXTERNAL,
+
+    // Agent host associated with browser.
+    TYPE_BROWSER,
+  };
 
   // Latest DevTools protocol version supported.
   static std::string GetProtocolVersion();
@@ -125,9 +136,6 @@
   // Returns the unique id of the agent.
   virtual std::string GetId() = 0;
 
-  // Returns the id of the parent host, or empty string if no parent.
-  virtual std::string GetParentId() = 0;
-
   // Returns web contents instance for this host if any.
   virtual WebContents* GetWebContents() = 0;
 
@@ -142,37 +150,19 @@
   virtual void ConnectWebContents(WebContents* web_contents) = 0;
 
   // Returns agent host type.
-  virtual std::string GetType() = 0;
+  virtual Type GetType() = 0;
 
   // Returns agent host title.
   virtual std::string GetTitle() = 0;
 
-  // Returns the host description.
-  virtual std::string GetDescription() = 0;
-
-  // Override host description.
-  virtual void SetDescriptionOverride(const std::string& description) = 0;
-
   // Returns url associated with agent host.
   virtual GURL GetURL() = 0;
-
-  // Returns the favicon url for this host.
-  virtual GURL GetFaviconURL() = 0;
 
   // Activates agent host. Returns false if the operation failed.
   virtual bool Activate() = 0;
 
-  // Opens devtools for this agent host. Returns false if the operation failed.
-  virtual bool Inspect() = 0;
-
-  // Reloads the host.
-  virtual void Reload() = 0;
-
   // Closes agent host. Returns false if the operation failed.
   virtual bool Close() = 0;
-
-  // Returns the time when the host was last active.
-  virtual base::TimeTicks GetLastActivityTime() = 0;
 
   // Terminates all debugging sessions and detaches all clients.
   static void DetachAllClients();