Implement NavigationThrottle::BLOCK_REQUEST_AND_COLLAPSE.

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 1468 matching lines @@
   }
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderFrameImpl, msg)
     IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
     IPC_MESSAGE_HANDLER(FrameMsg_BeforeUnload, OnBeforeUnload)
     IPC_MESSAGE_HANDLER(FrameMsg_SwapOut, OnSwapOut)
     IPC_MESSAGE_HANDLER(FrameMsg_SwapIn, OnSwapIn)
     IPC_MESSAGE_HANDLER(FrameMsg_Delete, OnDeleteFrame)
     IPC_MESSAGE_HANDLER(FrameMsg_Stop, OnStop)
+    IPC_MESSAGE_HANDLER(FrameMsg_Collapse, OnCollapse)
     IPC_MESSAGE_HANDLER(FrameMsg_ContextMenuClosed, OnContextMenuClosed)
     IPC_MESSAGE_HANDLER(FrameMsg_CustomContextMenuAction,
                         OnCustomContextMenuAction)
 #if BUILDFLAG(ENABLE_PLUGINS)
     IPC_MESSAGE_HANDLER(FrameMsg_SetPepperVolume, OnSetPepperVolume)
 #endif
     IPC_MESSAGE_HANDLER(InputMsg_Undo, OnUndo)
     IPC_MESSAGE_HANDLER(InputMsg_Redo, OnRedo)
     IPC_MESSAGE_HANDLER(InputMsg_Cut, OnCut)
     IPC_MESSAGE_HANDLER(InputMsg_Copy, OnCopy)
@@ skipping 3242 matching lines @@
 
   if (frame_ && !frame_->parent()) {
     for (auto& observer : render_view_->observers_)
       observer.OnStop();
   }
 
   for (auto& observer : observers_)
     observer.OnStop();
 }
 
+void RenderFrameImpl::OnCollapse(bool collapsed) {
+  frame_->collapse(collapsed);
+}
+
 void RenderFrameImpl::WasHidden() {
   for (auto& observer : observers_)
     observer.WasHidden();
 
 #if BUILDFLAG(ENABLE_PLUGINS)
   for (auto* plugin : active_pepper_instances_)
     plugin->PageVisibilityChanged(false);
 #endif  // ENABLE_PLUGINS
 
   if (GetWebFrame()->frameWidget()) {
@@ skipping 2090 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content