mandoline: Add find in page.

components/web_view/public/interfaces/frame.mojom

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module web_view.mojom;
 
 import "network/public/interfaces/url_loader.mojom";
 
 // This files defines the interfaces and structures used for frames.
 //
@@ skipping 92 matching lines @@
   RequestNavigate(NavigationTargetType target_type,
                   uint32 target_frame_id,
                   mojo.URLRequest request);
 
   // The frame navigated locally, for example, pushState() navigations in an
   // HTML application.
   DidNavigateLocally(string url);
 
   // Dispatches a load event to the parent of the frame.
   DispatchLoadEventToParent();
+
+  // Reports the number of matches for a given find.
+  ReportFindInPageMatchCount(int32 request_id, int32 count, bool final_update);
+
+  // Reports which match is currently highlighted.
+  ReportFindInPageSelection(int32 request_id, int32 active_match_ordinal);

[Elliot Glaysher, 2015/09/28 21:22:57]

This sort of diverges from the chrome ipc version. In chrome ipc, we merge these
two messages into one message. Then at every time that it gets used minus one,
we stuff -1 in the payload of half the message. That is probably not great, so
clean this up in the mojom version.

 };
 
 enum ViewConnectType {
   // Indicates the app is already a ViewTreeClient and the existing view should
   // be used. In this case the app is not asked for a new ViewTreeClient.
   USE_EXISTING,
 
   // Indicates a new ViewTreeClient is obtained and the View provided to
   // OnEmbed() should be used.
   USE_NEW
@@ skipping 36 matching lines @@
   // Additionally it overlaps with the client properties.
   OnWillNavigate(string origin) => ();
 
   // Called to notify that |frame_id|'s loading state has changed. This is only
   // called on the FrameClient rendering the parent of |frame_id|.
   OnFrameLoadingStateChanged(uint32 frame_id, bool loading);
 
   // Called to dispatch a load event of |frame_id| in its parent. This is only
   // called on the FrameClient rendering the parent of |frame_id|.
   OnDispatchFrameLoadEvent(uint32 frame_id);
+
+  // Finds a string in page.
+  OnFind(int32 request_id, string search_text);
+
+  // Stop highlighting the find results on the page.
+  OnStopFinding();
 };