PlzNavigate: stop navigations when opening a document for write

content/browser/frame_host/render_frame_host_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/browser/frame_host/render_frame_host_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 710 matching lines @@
     IPC_MESSAGE_HANDLER(FrameHostMsg_UpdateToUniqueOrigin,
                         OnUpdateToUniqueOrigin)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidChangeSandboxFlags,
                         OnDidChangeSandboxFlags)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidChangeFrameOwnerProperties,
                         OnDidChangeFrameOwnerProperties)
     IPC_MESSAGE_HANDLER(FrameHostMsg_UpdateTitle, OnUpdateTitle)
     IPC_MESSAGE_HANDLER(FrameHostMsg_UpdateEncoding, OnUpdateEncoding)
     IPC_MESSAGE_HANDLER(FrameHostMsg_BeginNavigation,
                         OnBeginNavigation)
+    IPC_MESSAGE_HANDLER(FrameHostMsg_AbortNavigation, OnAbortNavigation)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DispatchLoad, OnDispatchLoad)
     IPC_MESSAGE_HANDLER(FrameHostMsg_TextSurroundingSelectionResponse,
                         OnTextSurroundingSelectionResponse)
     IPC_MESSAGE_HANDLER(AccessibilityHostMsg_Events, OnAccessibilityEvents)
     IPC_MESSAGE_HANDLER(AccessibilityHostMsg_LocationChanges,
                         OnAccessibilityLocationChanges)
     IPC_MESSAGE_HANDLER(AccessibilityHostMsg_FindInPageResult,
                         OnAccessibilityFindInPageResult)
     IPC_MESSAGE_HANDLER(AccessibilityHostMsg_ChildFrameHitTestResult,
                         OnAccessibilityChildFrameHitTestResult)
@@ skipping 1174 matching lines @@
   if (waiting_for_init_) {
     pendinging_navigate_ = base::MakeUnique<PendingNavigation>(
         validated_params, validated_begin_params);
     return;
   }
 
   frame_tree_node()->navigator()->OnBeginNavigation(
       frame_tree_node(), validated_params, validated_begin_params);
 }
 
+void RenderFrameHostImpl::OnAbortNavigation() {
+  CHECK(IsBrowserSideNavigationEnabled());
+  if (!is_active())
+    return;
+  frame_tree_node()->navigator()->OnAbortNavigation(frame_tree_node());
+}
+
 void RenderFrameHostImpl::OnDispatchLoad() {
   CHECK(SiteIsolationPolicy::AreCrossProcessFramesPossible());
 
   // Don't forward the load event if this RFH is pending deletion.  This can
   // happen in a race where this RenderFrameHost finishes loading just after
   // the frame navigates away.  See https://crbug.com/626802.
   if (!is_active())
     return;
 
   // Only frames with an out-of-process parent frame should be sending this
@@ skipping 1526 matching lines @@
   // There is no pending NavigationEntry in these cases, so pass 0 as the
   // pending_nav_entry_id. If the previous handle was a prematurely aborted
   // navigation loaded via LoadDataWithBaseURL, propagate the entry id.
   return NavigationHandleImpl::Create(
       params.url, params.redirects, frame_tree_node_, is_renderer_initiated,
       params.was_within_same_page, base::TimeTicks::Now(),
       entry_id_for_data_nav, false);  // started_from_context_menu
 }
 
 }  // namespace content