Crash earlier if a session restore entry doesn't have content state.

content/renderer/render_view_impl.cc

 // Copyright (c) 2011 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_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 758 matching lines @@
   } else if (!params.state.empty()) {
     // We must know the page ID of the page we are navigating back to.
     DCHECK_NE(params.page_id, -1);
     main_frame->loadHistoryItem(
         webkit_glue::HistoryItemFromString(params.state));
   } else {
     // Navigate to the given URL.
     WebURLRequest request(params.url);
 
     // A session history navigation should have been accompanied by state.
-    DCHECK_EQ(params.page_id, -1);
+    CHECK_EQ(params.page_id, -1);
 
     if (main_frame->isViewSourceModeEnabled())
       request.setCachePolicy(WebURLRequest::ReturnCacheDataElseLoad);
 
     if (params.referrer.url.is_valid()) {
       WebString referrer = WebSecurityPolicy::generateReferrerHeader(
           params.referrer.policy,
           params.url,
           WebString::fromUTF8(params.referrer.url.spec()));
       if (!referrer.isEmpty())
@@ skipping 4002 matching lines @@
   return !!RenderThreadImpl::current()->compositor_thread();
 }
 
 void RenderViewImpl::OnJavaBridgeInit(
     const IPC::ChannelHandle& channel_handle) {
   DCHECK(!java_bridge_dispatcher_.get());
 #if defined(ENABLE_JAVA_BRIDGE)
   java_bridge_dispatcher_.reset(new JavaBridgeDispatcher(this, channel_handle));
 #endif
 }