Make sure keybindings removed don't come back during extension update.

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 5748c7b57dc6be96a4fd908031c1afba864c5873..69a26d4b3a605e6066c98544d6687104a0ca5750 100644
--- a/chrome/browser/extensions/extension_prefs.cc
+++ b/chrome/browser/extensions/extension_prefs.cc
@@ -184,10 +184,14 @@ const char kPrefFromWebStore[] = "from_webstore";
 // mock App created from a bookmark.
 const char kPrefFromBookmark[] = "from_bookmark";
 
-// A prefrence that indicates whethere the extension was installed as
+// A preference that indicates whether the extension was installed as
 // default apps.
 const char kPrefWasInstalledByDefault[] = "was_installed_by_default";
 
+// A preference that indicates that the initial keybindings for the given
+// extension have been set.
+const char kInitialBindingsHaveBeenAssigned[] = "initial_keybindings_set";
+
 // A preference that contains any extension-controlled preferences.
 const char kPrefPreferences[] = "preferences";
 
@@ -1764,6 +1768,22 @@ bool ExtensionPrefs::WasInstalledByDefault(
   return false;
 }
 
+void ExtensionPrefs::SetInitialBindingsHaveBeenAssigned(
+    const std::string& extension_id) {
+  UpdateExtensionPref(extension_id, kInitialBindingsHaveBeenAssigned,
+                      Value::CreateBooleanValue(true));
+}
+
+bool ExtensionPrefs::InitialBindingsHaveBeenAssigned(
+    const std::string& extension_id) const {
+  const DictionaryValue* dictionary = GetExtensionPref(extension_id);
+  bool result = false;
+  if (dictionary &&
+      dictionary->GetBoolean(kInitialBindingsHaveBeenAssigned, &result))
+    return result;
+  return false;
+}
+
 base::Time ExtensionPrefs::GetInstallTime(
     const std::string& extension_id) const {
   const DictionaryValue* extension = GetExtensionPref(extension_id);