Keep a copy of page id in RenderViewHost.

content/renderer/render_view_impl.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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 649 matching lines @@
                    params->never_visible),
       webkit_preferences_(params->webkit_prefs),
       send_content_state_immediately_(false),
       enabled_bindings_(0),
       send_preferred_size_changes_(false),
       navigation_gesture_(NavigationGestureUnknown),
       opened_by_user_gesture_(true),
       opener_suppressed_(false),
       suppress_dialogs_until_swap_out_(false),
       page_id_(-1),
+      page_id_not_yet_reported_(false),
       last_page_id_sent_to_browser_(-1),
       next_page_id_(params->next_page_id),
       history_list_offset_(-1),
       history_list_length_(0),
       frames_in_progress_(0),
       target_url_status_(TARGET_NONE),
       uses_temporary_zoom_level_(false),
 #if defined(OS_ANDROID)
       top_controls_constraints_(cc::BOTH),
 #endif
@@ skipping 863 matching lines @@
 }
 
 void RenderViewImpl::SendUpdateState(HistoryEntry* entry) {
   if (!entry)
     return;
 
   // Don't send state updates for kSwappedOutURL.
   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
     return;
 
+  CHECK(!page_id_not_yet_reported_);
   Send(new ViewHostMsg_UpdateState(
       routing_id_, page_id_, HistoryEntryToPageState(entry)));
 }
 
 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
   // it is particularly important that we do not call willEnterModalLoop as
   // that would defer resource loads for the dialog itself.
   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
@@ skipping 298 matching lines @@
     // If we have a request in-flight, save the URL to be sent when we
     // receive an ACK to the in-flight request. We can happily overwrite
     // any existing pending sends.
     pending_target_url_ = latest_url;
     target_url_status_ = TARGET_PENDING;
   } else {
     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
     // see |ParamTraits<GURL>|.
     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
       latest_url = GURL();
+    CHECK(!page_id_not_yet_reported_);
     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, page_id_, latest_url));
     target_url_ = latest_url;
     target_url_status_ = TARGET_INFLIGHT;
   }
 }
 
 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
     const gfx::RectF& rect) const {
   gfx::RectF window_rect = rect;
   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
@@ skipping 2320 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content