Remove newline from placeholder in policy_templates.json

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 599 matching lines @@
         },
       ],
     },
     {
       'name': 'ShowHomeButton',
       'type': 'main',
       'supported_on': ['chrome.*:8-'],
       'features': {'dynamic_refresh': 1},
       'example_value': True,
       'caption': '''Show Home button on toolbar''',
-      'desc': '''Shows the Home button on <ph name="PRODUCT_NAME">$1<ex>Google
-      Chrome</ex></ph>'s toolbar.
+      'desc': '''Shows the Home button on <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>'s toolbar.
 
       If you enable this setting, the Home button is always shown.
 
       If you disable this setting, the Home button is never shown.
 
       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': 'DeveloperToolsDisabled',
       'type': 'main',
@@ skipping 525 matching lines @@
     {
       'key': '$4',
       'value': 'http://www.chromium.org/developers/how-tos/chrome-frame-getting-started'
     },
     {
       'key': '$5',
       'value': 'http://www.chromium.org/administrators/policy-templates'
     },
   ]
 }