Create a NavigationEntry for the initial blank page.

content/browser/frame_host/navigator_impl.cc

Index: content/browser/frame_host/navigator_impl.cc
diff --git a/content/browser/frame_host/navigator_impl.cc b/content/browser/frame_host/navigator_impl.cc
index 2e9a114eef9012d0c70904e3f3211b523ec31658..7f801b51991ea0979d49b94fe1fbdf7a9877dc8b 100644
--- a/content/browser/frame_host/navigator_impl.cc
+++ b/content/browser/frame_host/navigator_impl.cc
@@ -331,6 +331,13 @@ bool NavigatorImpl::NavigateToEntry(
   if (!is_transfer_to_same) {
     navigation_data_.reset(new NavigationMetricsData(navigation_start, dest_url,
                                                      entry.restore_type()));
+
+    // The renderer expects the history length to be 0 for the initial page.
+    int history_offset = controller_->IsInitialNavigation() ? -1 :
+        controller_->GetLastCommittedEntryIndex();
+    int history_length = controller_->IsInitialNavigation() ? 0 :
+        controller_->GetEntryCount();
+
     // Create the navigation parameters.
     FrameMsg_Navigate_Type::Value navigation_type =
         GetNavigationType(controller_->GetBrowserContext(), entry, reload_type);
@@ -343,8 +350,7 @@ bool NavigatorImpl::NavigateToEntry(
             frame_tree_node->has_committed_real_load(),
             controller_->GetPendingEntryIndex() == -1,
             controller_->GetIndexOfEntry(&entry),
-            controller_->GetLastCommittedEntryIndex(),
-            controller_->GetEntryCount()));
+            history_offset, history_length));
   } else {
     // No need to navigate again.  Just resume the deferred request.
     dest_render_frame_host->GetProcess()->ResumeDeferredNavigation(
@@ -469,7 +475,9 @@ void NavigatorImpl::DidNavigate(
   // Send notification about committed provisional loads. This notification is
   // different from the NAV_ENTRY_COMMITTED notification which doesn't include
   // the actual URL navigated to and isn't sent for AUTO_SUBFRAME navigations.
-  if (details.type != NAVIGATION_TYPE_NAV_IGNORE && delegate_) {
+  // TODO(creis): Do we need to send this for AUTO_SUBFRAME when did_navigate
+  // is false?
+  if (delegate_) {
     DCHECK_EQ(!render_frame_host->GetParent(),
               did_navigate ? details.is_main_frame : false);
     ui::PageTransition transition_type = params.transition;