Make EnableViewSourceMode a FrameMsg

content/renderer/render_frame_impl.cc

 // Copyright 2013 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 1404 matching lines @@
                         OnTextTrackSettingsChanged)
     IPC_MESSAGE_HANDLER(FrameMsg_PostMessageEvent, OnPostMessageEvent)
     IPC_MESSAGE_HANDLER(FrameMsg_FailedNavigation, OnFailedNavigation)
     IPC_MESSAGE_HANDLER(FrameMsg_GetSavableResourceLinks,
                         OnGetSavableResourceLinks)
     IPC_MESSAGE_HANDLER(FrameMsg_GetSerializedHtmlWithLocalLinks,
                         OnGetSerializedHtmlWithLocalLinks)
     IPC_MESSAGE_HANDLER(FrameMsg_SerializeAsMHTML, OnSerializeAsMHTML)
     IPC_MESSAGE_HANDLER(FrameMsg_Find, OnFind)
     IPC_MESSAGE_HANDLER(FrameMsg_StopFinding, OnStopFinding)
+    IPC_MESSAGE_HANDLER(FrameMsg_EnableViewSourceMode, OnEnableViewSourceMode)
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
                         OnActivateNearestFindResult)
     IPC_MESSAGE_HANDLER(FrameMsg_FindMatchRects, OnFindMatchRects)
     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItems, OnSelectPopupMenuItems)
 #elif defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItem, OnSelectPopupMenuItem)
     IPC_MESSAGE_HANDLER(InputMsg_CopyToFindPboard, OnCopyToFindPboard)
 #endif
   IPC_END_MESSAGE_MAP()
@@ skipping 3651 matching lines @@
       WebDocument doc = focused_frame->document();
       if (!doc.isNull()) {
         WebElement element = doc.focusedElement();
         if (!element.isNull())
           element.simulateClick();
       }
     }
   }
 }
 
+void RenderFrameImpl::OnEnableViewSourceMode() {
+  if (!frame_)

[nasko, 2016/03/24 13:55:23]

nit: frame_ should never be invalid except for very narrow period during object
construction.

[clamy, 2016/03/24 14:01:36]

Switched to a DCHECK.

+    return;
+  DCHECK(!frame_->parent());
+  frame_->enableViewSourceMode(true);
+}
+
 #if defined(OS_ANDROID)
 void RenderFrameImpl::OnActivateNearestFindResult(int request_id,
                                                   float x,
                                                   float y) {
   WebRect selection_rect;
   int ordinal =
       frame_->selectNearestFindMatch(WebFloatPoint(x, y), &selection_rect);
   if (ordinal == -1) {
     // Something went wrong, so send a no-op reply (force the frame to report
     // the current match count) in case the host is waiting for a response due
@@ skipping 900 matching lines @@
                                     int match_count,
                                     int ordinal,
                                     const WebRect& selection_rect,
                                     bool final_status_update) {
   Send(new FrameHostMsg_Find_Reply(routing_id_, request_id, match_count,
                                    selection_rect, ordinal,
                                    final_status_update));
 }
 
 }  // namespace content