Migrate DevToolsWindow from specific to opaque frontend host messages

content/public/browser/devtools_frontend_host_delegate.h

Index: content/public/browser/devtools_frontend_host_delegate.h
diff --git a/content/public/browser/devtools_frontend_host_delegate.h b/content/public/browser/devtools_frontend_host_delegate.h
index 2aa8826ab287a84cdc8c3f891812a357cdf06991..1d41befdcf6de8b0c13854d19c33d52ae27e647c 100644
--- a/content/public/browser/devtools_frontend_host_delegate.h
+++ b/content/public/browser/devtools_frontend_host_delegate.h
@@ -16,56 +16,8 @@ class DevToolsFrontendHostDelegate {
  public:
   virtual ~DevToolsFrontendHostDelegate() {}
 
-  // Should bring DevTools window to front.
-  virtual void ActivateWindow() = 0;
-
-  // Changes the height of attached DevTools window.
-  virtual void ChangeAttachedWindowHeight(unsigned height) = 0;
-
-  // Closes DevTools front-end window.
-  virtual void CloseWindow() = 0;
-
-  // Moves DevTools front-end window.
-  virtual void MoveWindow(int x, int y) = 0;
-
-  // Specifies side for devtools to dock to.
-  virtual void SetDockSide(const std::string& side) = 0;
-
-  // Opens given |url| in a new contents.
-  virtual void OpenInNewTab(const std::string& url) = 0;
-
-  // Saves given |content| associated with the given |url|. Optionally showing
-  // Save As dialog.
-  virtual void SaveToFile(const std::string& url,
-                          const std::string& content,
-                          bool save_as) = 0;
-
-  // Appends given |content| to the file that has been associated with the
-  // given |url| by SaveToFile method.
-  virtual void AppendToFile(const std::string& url,
-                            const std::string& content) = 0;
-
-  // Requests the list of filesystems previously added for devtools.
-  virtual void RequestFileSystems() = 0;
-
-  // Shows a dialog to select a folder to which an isolated filesystem is added.
-  virtual void AddFileSystem() = 0;
-
-  // Removes a previously added devtools filesystem given by |file_system_path|.
-  virtual void RemoveFileSystem(const std::string& file_system_path) = 0;
-
-  // Performs file system indexing for given |file_system_path| and sends
-  // progress callbacks.
-  virtual void IndexPath(int request_id,
-                         const std::string& file_system_path) = 0;
-
-  // Stops file system indexing.
-  virtual void StopIndexing(int request_id) = 0;
-
-  // Performs trigram search for given |query| in |file_system_path|.
-  virtual void SearchInPath(int request_id,
-                            const std::string& file_system_path,
-                            const std::string& query) = 0;
+  // Dispatch the message from the frontend to the frontend host.
+  virtual void DispatchOnEmbedder(const std::string& message) = 0;
 
   // This method is called when the contents inspected by this devtools frontend
   // is closing.