Restart running apps when chrome restarts.

chrome/browser/extensions/extension_prefs.cc

Index: chrome/browser/extensions/extension_prefs.cc
diff --git a/chrome/browser/extensions/extension_prefs.cc b/chrome/browser/extensions/extension_prefs.cc
index 11189f75b0e01ef270bfaf6d3a9815e2b7f0a2a8..c967c604f13cc8d560c46b7e5abae44c24bd3b89 100644
--- a/chrome/browser/extensions/extension_prefs.cc
+++ b/chrome/browser/extensions/extension_prefs.cc
@@ -32,6 +32,9 @@ namespace {
 
 // Additional preferences keys
 
+// Whether this extension was running when chrome last shutdown.
+const char kWasRunning[] = "was_running";
+
 // Where an extension was installed from. (see Extension::Location)
 const char kPrefLocation[] = "location";
 
@@ -1093,6 +1096,20 @@ void ExtensionPrefs::SetRegisteredEvents(
   UpdateExtensionPref(extension_id, kRegisteredEvents, value);
 }
 
+void ExtensionPrefs::SetExtensionRunning(const std::string& extension_id,
+    bool is_running) {
+  Value* value = Value::CreateBooleanValue(is_running);
+  UpdateExtensionPref(extension_id, kWasRunning, value);
+}
+
+bool ExtensionPrefs::WasExtensionRunningLastSession(
+    const std::string& extension_id) {
+  const DictionaryValue* extension = GetExtensionPref(extension_id);
+  bool was_running = false;
+  extension->GetBoolean(kWasRunning, &was_running);
+  return was_running;
+}
+
 ExtensionOmniboxSuggestion
 ExtensionPrefs::GetOmniboxDefaultSuggestion(const std::string& extension_id) {
   ExtensionOmniboxSuggestion suggestion;