[DevTools] Remote JSON requests from javascript (Chromium side)

chrome/browser/devtools/devtools_targets_ui.h

Index: chrome/browser/devtools/devtools_targets_ui.h
diff --git a/chrome/browser/devtools/devtools_targets_ui.h b/chrome/browser/devtools/devtools_targets_ui.h
index fbe96ed42f9057e0df816a3c3ca2b8cadb6a5efd..894420eae7b218903aa30631374617397c630573 100644
--- a/chrome/browser/devtools/devtools_targets_ui.h
+++ b/chrome/browser/devtools/devtools_targets_ui.h
@@ -22,9 +22,10 @@ class Profile;
 
 class DevToolsTargetsUIHandler {
  public:
-  typedef base::Callback<void(const std::string&,
-                              const base::ListValue&)> Callback;
-  typedef base::Callback<void(DevToolsTargetImpl*)> TargetCallback;
+  using Callback =
+      base::Callback<void(const std::string&, const base::ListValue&)>;
+  using TargetCallback = base::Callback<void(DevToolsTargetImpl*)>;
+  using JsonCallback = base::Callback<void(int, const std::string&)>;
 
   DevToolsTargetsUIHandler(const std::string& source_id,
                            const Callback& callback);
@@ -46,6 +47,10 @@ class DevToolsTargetsUIHandler {
   virtual scoped_refptr<content::DevToolsAgentHost> GetBrowserAgentHost(
       const std::string& browser_id);
 
+  virtual void SendJsonRequest(const std::string& browser_id,
+                               const std::string& url,
+                               const JsonCallback& callback);
+
   virtual void ForceUpdate();
 
  protected: