Tab-modal dialog improvements:...

chrome/browser/tabs/tab_strip_model.cc

Index: chrome/browser/tabs/tab_strip_model.cc
===================================================================
--- chrome/browser/tabs/tab_strip_model.cc	(revision 36364)
+++ chrome/browser/tabs/tab_strip_model.cc	(working copy)
@@ -342,6 +342,16 @@
   return contents_data_.at(index)->reset_group_on_select;
 }
 
+void TabStripModel::SetTabBlocked(int index, bool blocked) {
+  DCHECK(ContainsIndex(index));
+  if (contents_data_[index]->blocked == blocked)
+    return;
+  contents_data_[index]->blocked = blocked;
+  FOR_EACH_OBSERVER(TabStripModelObserver, observers_,
+      TabBlockedStateChanged(contents_data_[index]->contents,
+      index));
+}
+
 void TabStripModel::SetTabPinned(int index, bool pinned) {
   DCHECK(ContainsIndex(index));
   if (contents_data_[index]->pinned == pinned)
@@ -373,6 +383,10 @@
   return contents_data_[index]->pinned;
 }
 
+bool TabStripModel::IsTabBlocked(int index) const {
+  return contents_data_[index]->blocked;
+}
+
 int TabStripModel::IndexOfFirstNonPinnedTab() const {
   for (size_t i = 0; i < contents_data_.size(); ++i) {
     if (!contents_data_[i]->pinned)