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

chrome/browser/extensions/activity_log/counting_policy.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_
 #define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_
 
 #include <string>
 
 #include "base/containers/hash_tables.h"
@@ skipping 41 matching lines @@
   void RemoveURLs(const std::vector<GURL>&) override;
 
   // Clean the data related to this extension for this policy.
   void RemoveExtensionData(const std::string& extension_id) override;
 
   // Delete everything in the database.
   void DeleteDatabase() override;
 
   // The main database table, and the name for a read-only view that
   // decompresses string values for easier parsing.
-  static const char* kTableName;
-  static const char* kReadViewName;
+  static const char kTableName[];
+  static const char kReadViewName[];
 
  protected:
   // The ActivityDatabase::Delegate interface.  These are always called from
   // the database thread.
   bool InitDatabase(sql::Connection* db) override;
   bool FlushDatabase(sql::Connection* db) override;
   void OnDatabaseFailure() override;
   void OnDatabaseClose() override;
 
  private:
@@ skipping 74 matching lines @@
 
   friend class CountingPolicyTest;
   FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, EarlyFlush);
   FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, MergingAndExpiring);
   FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, StringTableCleaning);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_