[DevTools] Move target-related methods from DevToolsHttpHandlerDelegate to DevToolsManagerDelegate.

content/browser/devtools/devtools_http_handler_impl.h

Index: content/browser/devtools/devtools_http_handler_impl.h
diff --git a/content/browser/devtools/devtools_http_handler_impl.h b/content/browser/devtools/devtools_http_handler_impl.h
index 987dedbf8ed269b32b51561e3657262a723fe06d..0276c3f6b3d3218ac9b89bfa35f6dd06ad21dedc 100644
--- a/content/browser/devtools/devtools_http_handler_impl.h
+++ b/content/browser/devtools/devtools_http_handler_impl.h
@@ -16,6 +16,7 @@
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/devtools_http_handler.h"
 #include "content/public/browser/devtools_http_handler_delegate.h"
+#include "content/public/browser/devtools_manager_delegate.h"
 #include "net/http/http_status_code.h"
 #include "net/server/http_server.h"
 
@@ -80,7 +81,7 @@ class DevToolsHttpHandlerImpl
   void OnTargetListReceived(
       int connection_id,
       const std::string& host,
-      const DevToolsHttpHandlerDelegate::TargetList& targets);
+      const DevToolsManagerDelegate::TargetList& targets);
 
   DevToolsTarget* GetTarget(const std::string& id);