favor DCHECK_CURRENTLY_ON for better logs in content/browser

content/browser/frame_host/frame_tree_node.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/frame_tree_node.h"
 
 #include <queue>
 
 #include "base/command_line.h"
 #include "base/stl_util.h"
@@ skipping 14 matching lines @@
 
 base::LazyInstance<FrameTreeNodeIDMap> g_frame_tree_node_id_map =
     LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 int64 FrameTreeNode::next_frame_tree_node_id_ = 1;
 
 // static
 FrameTreeNode* FrameTreeNode::GloballyFindByID(int64 frame_tree_node_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   FrameTreeNodeIDMap* nodes = g_frame_tree_node_id_map.Pointer();
   FrameTreeNodeIDMap::iterator it = nodes->find(frame_tree_node_id);
   return it == nodes->end() ? nullptr : it->second;
 }
 
 FrameTreeNode::FrameTreeNode(FrameTree* frame_tree,
                              Navigator* navigator,
                              RenderFrameHostDelegate* render_frame_delegate,
                              RenderViewHostDelegate* render_view_delegate,
                              RenderWidgetHostDelegate* render_widget_delegate,
@@ skipping 117 matching lines @@
 }
 
 bool FrameTreeNode::CommitPendingSandboxFlags() {
   bool did_change_flags =
       effective_sandbox_flags_ != replication_state_.sandbox_flags;
   effective_sandbox_flags_ = replication_state_.sandbox_flags;
   return did_change_flags;
 }
 
 }  // namespace content