Insert panel icons on the left of other panel icons.

ash/launcher/launcher_model.cc

Index: ash/launcher/launcher_model.cc
diff --git a/ash/launcher/launcher_model.cc b/ash/launcher/launcher_model.cc
index 68e57e06f0e58707fadc7babe57395eac5c325ef..6ee788fb6024ef8c5f160fa434613f9981642e91 100644
--- a/ash/launcher/launcher_model.cc
+++ b/ash/launcher/launcher_model.cc
@@ -37,6 +37,8 @@ bool CompareByWeight(const LauncherItem& a, const LauncherItem& b) {
 
 }  // namespace
 
+const int LauncherModel::kAutomaticIndex = -1;
+
 LauncherModel::LauncherModel() : next_id_(1), status_(STATUS_NORMAL) {
   LauncherItem app_list;
   app_list.type = TYPE_APP_LIST;
@@ -48,10 +50,14 @@ LauncherModel::~LauncherModel() {
 }
 
 int LauncherModel::Add(const LauncherItem& item) {
-  return AddAt(items_.size(), item);
+  return AddAt(kAutomaticIndex, item);
 }
 
 int LauncherModel::AddAt(int index, const LauncherItem& item) {
+  // Panel icons are by default inserted to the left of other panel icons since
+  // they are right aligned.
+  if (index == kAutomaticIndex)

[sky, 2013/06/25 16:19:45]

Can we move this magic to where we create panel items?

[flackr, 2013/06/25 17:40:52]

Sure, done.

+    index = item.type == TYPE_APP_PANEL ? 0 : items_.size();
   index = ValidateInsertionIndex(item.type, index);
   items_.insert(items_.begin() + index, item);
   items_[index].id = next_id_++;