Using DidCommitProvisionalLoad() instead of DidStartProvisionalLoad() in USIS.

chrome/renderer/extensions/user_script_idle_scheduler.cc

 // Copyright (c) 2012 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 "chrome/renderer/extensions/user_script_idle_scheduler.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "chrome/common/extensions/extension_error_utils.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
@@ skipping 49 matching lines @@
       base::TimeDelta::FromMilliseconds(kUserScriptIdleTimeoutMs));
 }
 
 void UserScriptIdleScheduler::DidFinishLoad() {
   // Ensure that running scripts does not keep any progress UI running.
   MessageLoop::current()->PostTask(
       FROM_HERE, base::Bind(&UserScriptIdleScheduler::MaybeRun,
                             weak_factory_.GetWeakPtr()));
 }
 
-void UserScriptIdleScheduler::DidStartProvisionalLoad() {
+void UserScriptIdleScheduler::DidCommitProvisionalLoad() {
   // The frame is navigating, so reset the state since we'll want to inject
   // scripts once the load finishes.
   has_run_ = false;
   weak_factory_.InvalidateWeakPtrs();
   while (!pending_code_execution_queue_.empty())
     pending_code_execution_queue_.pop();
 }
 
 void UserScriptIdleScheduler::MaybeRun() {
   if (has_run_)
@@ skipping 93 matching lines @@
   if (!parent_frame)
     return false;
 
   for (WebFrame* child_frame = parent_frame->firstChild(); child_frame;
        child_frame = child_frame->nextSibling()) {
     frames_vector->push_back(child_frame);
     GetAllChildFrames(child_frame, frames_vector);
   }
   return true;
 }