DevTools: Extract target discovery and manipulation from DevToolsHttpHandlerImpl

content/public/browser/devtools_http_handler.h

Index: content/public/browser/devtools_http_handler.h
diff --git a/content/public/browser/devtools_http_handler.h b/content/public/browser/devtools_http_handler.h
index 95cf4077ebaaf1a963e586826825907d70e8ce7a..4af55059da954deb9ccae07087624164aab39a56 100644
--- a/content/public/browser/devtools_http_handler.h
+++ b/content/public/browser/devtools_http_handler.h
@@ -18,7 +18,6 @@ class URLRequestContextGetter;
 
 namespace content {
 
-class DevToolsAgentHost;
 class DevToolsHttpHandlerDelegate;
 
 // This class is used for managing DevTools remote debugging server.
@@ -26,19 +25,6 @@ class DevToolsHttpHandlerDelegate;
 // this browser.
 class DevToolsHttpHandler {
  public:
-  // Interface responsible for mapping DevToolsAgentHost instances to/from
-  // string identifiers.
-  class DevToolsAgentHostBinding {
-   public:
-    virtual ~DevToolsAgentHostBinding() {}
-
-    // Returns the mapping of DevToolsAgentHost to identifier.
-    virtual std::string GetIdentifier(DevToolsAgentHost* agent_host) = 0;
-
-    // Returns the mapping of identifier to DevToolsAgentHost.
-    virtual DevToolsAgentHost* ForIdentifier(const std::string& identifier) = 0;
-  };
-
   // Returns true if the given protocol version is supported.
   CONTENT_EXPORT static bool IsSupportedProtocolVersion(
       const std::string& version);
@@ -57,13 +43,8 @@ class DevToolsHttpHandler {
   // Automatically destroys the handler instance.
   virtual void Stop() = 0;
 
-  // Set the DevToolsAgentHostBinding instance. If no instance is provided the
-  // default implementation will be used.
-  virtual void SetDevToolsAgentHostBinding(
-      DevToolsAgentHostBinding* binding) = 0;
-
-  // Returns the URL for the address to debug |render_view_host|.
-  virtual GURL GetFrontendURL(DevToolsAgentHost* agent_host) = 0;
+  // Returns the URL for the address to debug |agent_host|.
+  virtual GURL GetFrontendURL() = 0;
 
  protected:
   virtual ~DevToolsHttpHandler() {}