Cleanup: Better constify some strings in chrome/browser/{chromeos,extensions}.

chrome/browser/extensions/api/alarms/alarms_api_unittest.cc

Index: chrome/browser/extensions/api/alarms/alarms_api_unittest.cc
diff --git a/chrome/browser/extensions/api/alarms/alarms_api_unittest.cc b/chrome/browser/extensions/api/alarms/alarms_api_unittest.cc
index 509fde23c5a29ada68f0cf56027ae661e724a74d..c5f4e836f5a116c2f26f4c250fcff478574d9d7a 100644
--- a/chrome/browser/extensions/api/alarms/alarms_api_unittest.cc
+++ b/chrome/browser/extensions/api/alarms/alarms_api_unittest.cc
@@ -89,9 +89,9 @@ class ExtensionAlarmsTest : public ExtensionApiUnittest {
 
   // Creates up to 3 alarms using the extension API.
   void CreateAlarms(size_t num_alarms) {
-    CHECK(num_alarms <= 3);
+    CHECK_LE(num_alarms, 3U);
 
-    const char* kCreateArgs[] = {
+    const char* const kCreateArgs[] = {
       "[null, {\"periodInMinutes\": 0.001}]",
       "[\"7\", {\"periodInMinutes\": 7}]",
       "[\"0\", {\"delayInMinutes\": 0}]",
@@ -460,8 +460,9 @@ class ExtensionAlarmsSchedulingTest : public ExtensionAlarmsTest {
     EXPECT_EQ(scheduled_time, alarm_manager_->next_poll_time_);
   }
 
-  static void RemoveAlarmCallback (bool success) { EXPECT_TRUE(success); }
-  static void RemoveAllAlarmsCallback () {}
+  static void RemoveAlarmCallback(bool success) { EXPECT_TRUE(success); }
+  static void RemoveAllAlarmsCallback() {}
+
  public:
   // Get the time that the alarm named is scheduled to run.
   void VerifyScheduledTime(const std::string& alarm_name) {
@@ -477,7 +478,7 @@ class ExtensionAlarmsSchedulingTest : public ExtensionAlarmsTest {
         base::Bind(&ExtensionAlarmsSchedulingTest::RemoveAlarmCallback));
   }
 
-  void RemoveAllAlarms () {
+  void RemoveAllAlarms() {
     alarm_manager_->RemoveAllAlarms(extension()->id(), base::Bind(
         &ExtensionAlarmsSchedulingTest::RemoveAllAlarmsCallback));
   }