Move app/sql/* files to sql/ directory.

sql/sql.gyp

 # Copyright (c) 2011 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
       'target_name': 'sql',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../third_party/sqlite/sqlite.gyp:sqlite',
       ],
       'sources': [
-        '../app/sql/connection.cc',
-        '../app/sql/connection.h',
-        '../app/sql/diagnostic_error_delegate.h',
-        '../app/sql/init_status.h',
-        '../app/sql/meta_table.cc',
-        '../app/sql/meta_table.h',
-        '../app/sql/statement.cc',
-        '../app/sql/statement.h',
-        '../app/sql/transaction.cc',
-        '../app/sql/transaction.h',
+        'connection.cc',
+        'connection.h',
+        'diagnostic_error_delegate.h',
+        'init_status.h',
+        'meta_table.cc',
+        'meta_table.h',
+        'statement.cc',
+        'statement.h',
+        'transaction.cc',
+        'transaction.h',
       ],
     },
     {
       'target_name': 'sql_unittests',
       'type': 'executable',
       'dependencies': [
         'sql',
         '../base/base.gyp:test_support_base',
         '../testing/gtest.gyp:gtest',
       ],
       'sources': [
-        '../app/run_all_unittests.cc',
-        '../app/sql/connection_unittest.cc',
-        '../app/sql/sqlite_features_unittest.cc',
-        '../app/sql/statement_unittest.cc',
-        '../app/sql/transaction_unittest.cc',
+        'run_all_unittests.cc',
+        'connection_unittest.cc',
+        'sqlite_features_unittest.cc',
+        'statement_unittest.cc',
+        'transaction_unittest.cc',
       ],
       'include_dirs': [
         '..',
       ],
       'conditions': [
         ['os_posix==1 and OS!="mac"', {
           'conditions': [
             ['linux_use_tcmalloc==1', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         }],
       ],
     },
   ],
 }