Add support for entering/exiting HTML fullscreen from OOPIFs.

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 1431 matching lines @@
                         OnSetAccessibilityMode)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_SnapshotTree,
                         OnSnapshotAccessibilityTree)
     IPC_MESSAGE_HANDLER(FrameMsg_UpdateOpener, OnUpdateOpener)
     IPC_MESSAGE_HANDLER(FrameMsg_CommitNavigation, OnCommitNavigation)
     IPC_MESSAGE_HANDLER(FrameMsg_DidUpdateSandboxFlags, OnDidUpdateSandboxFlags)
     IPC_MESSAGE_HANDLER(FrameMsg_SetFrameOwnerProperties,
                         OnSetFrameOwnerProperties)
     IPC_MESSAGE_HANDLER(FrameMsg_AdvanceFocus, OnAdvanceFocus)
     IPC_MESSAGE_HANDLER(FrameMsg_SetFocusedFrame, OnSetFocusedFrame)
+    IPC_MESSAGE_HANDLER(FrameMsg_WillEnterFullscreen, OnWillEnterFullscreen)
     IPC_MESSAGE_HANDLER(FrameMsg_SetTextTrackSettings,
                         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)
@@ skipping 566 matching lines @@
   render_view_->webview()->advanceFocusAcrossFrames(
       type, source_frame->web_frame(), frame_);
 }
 
 void RenderFrameImpl::OnSetFocusedFrame() {
   // This uses focusDocumentView rather than setFocusedFrame so that focus/blur
   // events are properly dispatched on any currently focused elements.
   render_view_->webview()->focusDocumentView(frame_);
 }
 
+void RenderFrameImpl::OnWillEnterFullscreen(int fullscreen_frame_routing_id) {
+  RenderFrameProxy* fullscreen_frame =
+      RenderFrameProxy::FromRoutingID(fullscreen_frame_routing_id);
+
+  // The proxy could have been detached just as its real frame was entering
+  // fullscreen.
+  if (!fullscreen_frame)
+    return;
+
+  render_view_->webview()->willEnterFullScreen(fullscreen_frame->web_frame());

[Charlie Reis, 2016/05/12 22:59:23]

This method doesn't seem to act on |this| at all.  Would it be simpler to just
send the IPC to the child RenderFrameProxy and have it call willEnterFullScreen
on its RenderView?

[alexmos, 2016/05/13 07:21:03]

Done.

+}
+
 void RenderFrameImpl::OnTextTrackSettingsChanged(
     const FrameMsg_TextTrackSettings_Params& params) {
   DCHECK(!frame_->parent());
   if (!render_view_->webview())
     return;
 
   if (params.text_tracks_enabled) {
       render_view_->webview()->settings()->setTextTrackKindUserPreference(
           WebSettings::TextTrackKindUserPreference::Captions);
   } else {
@@ skipping 3995 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