Change text of DNS prefetch option to Network prediction option.

chrome/app/policy/policy_templates.json

 {
 # policy_templates.json - Metafile for policy templates
 #
 # The content of this file is evaluated as a Python expression.
 #
 # This file is used as input to generate the following policy templates:
 # ADM, ADMX+ADML, MCX/plist and html documentation.
 #
 # Policy templates are user interface definitions or documents about the
 # policies that can be used to configure Chrome. Each policy is a name-value
@@ skipping 200 matching lines @@
 
       If you enable or disable this setting, users cannot change or override this setting in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>.''',
     },
     {
       'name': 'DnsPrefetchingEnabled',
       'type': 'main',
       'supported_on': ['chrome.*:8-', 'chrome_os:0.11-'],
       'features': {'dynamic_refresh': 1},
       'example_value': True,
       'id': 7,
-      'caption': '''Enable DNS prefetching''',
-      'desc': '''Enables DNS prefetching in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> and prevents users from changing this setting.
+      'caption': '''Enable network prediction.''',
+      'desc': '''Enables network prediction in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> and prevents users from changing this setting.
 
       If you enable or disable this setting, users cannot change or override this setting in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>.''',
     },
     {
       'name': 'DisableSpdy',
       'type': 'main',
       'supported_on': ['chrome.*:8-', 'chrome_os:0.11-'],
       'features': {'dynamic_refresh': 1},
       'example_value': True,
       'id': 8,
@@ skipping 1287 matching lines @@
       'desc': '''The name of the feature that indicates for a given policy that changes to it are respected by Chrome without a browser restart''',
       'text': '''Dynamic Policy Refresh'''
     },
     'doc_deprecated': {
       'desc': '''Text appended in parentheses to the policy name to indicate t hat it has been deprecated''',
       'text': 'deprecated',
     }
   },
   'placeholders': [],
 }