Random bits of header and whitespace cleanup.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
===================================================================
--- chrome/chrome_tests.gypi	(revision 53407)
+++ chrome/chrome_tests.gypi	(working copy)
@@ -540,11 +540,11 @@
               },
             },
           },
-        }], 
+        }],
         ['OS=="mac"', {
           'dependencies': [
             'nacl_security_tests', # run time dependency
-          ],   
+          ],
         }],
       ],
     },
@@ -901,7 +901,7 @@
         'browser/configuration_policy_provider_win_unittest.cc',
         'browser/cookies_tree_model_unittest.cc',
         'browser/debugger/devtools_manager_unittest.cc',
-				'browser/dock_info_unittest.cc',
+        'browser/dock_info_unittest.cc',
         'browser/dom_ui/dom_ui_theme_source_unittest.cc',
         'browser/dom_ui/dom_ui_unittest.cc',
         'browser/dom_ui/html_dialog_tab_contents_delegate_unittest.cc',
@@ -1135,7 +1135,7 @@
         'common/bzip2_unittest.cc',
         'common/child_process_logging_mac_unittest.mm',
         'common/common_param_traits_unittest.cc',
-	'common/content_settings_helper_unittest.cc',
+        'common/content_settings_helper_unittest.cc',
         'common/deprecated/event_sys_unittest.cc',
         'common/desktop_notifications/active_notification_tracker_unittest.cc',
         'common/extensions/extension_action_unittest.cc',
@@ -1309,7 +1309,7 @@
           'sources!': [
             # Blocked on bookmark manager.
             'browser/bookmarks/bookmark_context_menu_controller_unittest.cc',
-						'browser/dock_info_unittest.cc',
+            'browser/dock_info_unittest.cc',
             'browser/gtk/reload_button_gtk_unittest.cc',
             'browser/password_manager/password_store_default_unittest.cc',
             'tools/convert_dict/convert_dict_unittest.cc',