[Sync]Enable new sync URL to link to Chrome Away

Current string: Signed in as [email]. Manage your synced data on Google Dashboard
New strings: Signed in as [email]. Manage your synced data and devices on Chrome Dashboard

BUG=402615

Manual test:
launch chrome by chrome --force-fieldtrials="ChromeDashboard/Enabled/"
log in chrome, and then go to settings, on the top of settings, there should be the new string, click the "Chrome Dashboard", it should bring you to URL("https://google.com/settings/chrome/sync").

Review URL: https://codereview.chromium.org/998413003

Cr-Commit-Position: refs/heads/master@{#320941}

chrome/app/generated_resources.grd

@@ -12614,7 +12614,7 @@ Some features may be unavailable.  Please check that the profile exists and you
           Signed in as <ph name="USER_EMAIL_ADDRESS">$1<ex>foo@gmail.com</ex></ph>. Manage your synced data on <ph name="BEGIN_LINK">&lt;a href="$2" target=&quot;_blank&quot;&gt;<ex>&lt;a href="$2" target=&quot;_blank&quot;&gt;</ex></ph>Google Dashboard<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>.
         </message>
         <message name="IDS_SYNC_ACCOUNT_SYNCING_TO_USER_WITH_MANAGE_LINK_NEW" desc="The message that appears in the options dialog indicating that account is syncing to a user with the given email address, together with a link to manage their data (where supported, or not possible through the application)">
-          Signed in as <ph name="USER_EMAIL_ADDRESS">$1<ex>foo@gmail.com</ex></ph>. Manage your synced data and devices on <ph name="BEGIN_LINK">&lt;a href="$2" target=&quot;_blank&quot;&gt;<ex>&lt;a href="$2" target=&quot;_blank&quot;&gt;</ex></ph>chrome.com/sync<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>
+          Signed in as <ph name="USER_EMAIL_ADDRESS">$1<ex>foo@gmail.com</ex></ph>. Manage your synced data and devices on <ph name="BEGIN_LINK">&lt;a href="$2" target=&quot;_blank&quot;&gt;<ex>&lt;a href="$2" target=&quot;_blank&quot;&gt;</ex></ph>Chrome Dashboard<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>.
         </message>
         <message name="IDS_SYNC_AUTHENTICATING_LABEL" desc="Label to display while the user is being authenticated to use sync.">
           Authenticating...

chrome/browser/sync/sync_ui_util.cc

@@ -99,7 +99,7 @@ base::string16 GetSyncedStateStatusLabel(ProfileSyncService* service,
         return l10n_util::GetStringFUTF16(
             IDS_SYNC_ACCOUNT_SYNCING_TO_USER_WITH_MANAGE_LINK_NEW,
             user_name,
-            base::ASCIIToUTF16(chrome::kSyncChromeDashboardURL));
+            base::ASCIIToUTF16(chrome::kSyncGoogleDashboardURL));
       }
       return l10n_util::GetStringFUTF16(
           IDS_SYNC_ACCOUNT_SYNCING_TO_USER_WITH_MANAGE_LINK,

chrome/common/url_constants.cc

@@ -367,8 +367,6 @@ const char kExtensionResourceInvalidRequestURL[] =
 
 const char kSyncGoogleDashboardURL[] =
     "https://www.google.com/settings/chrome/sync/";
-const char kSyncChromeDashboardURL[] =
-    "https://chrome.com/sync/";
 
 const char kPasswordManagerLearnMoreURL[] =
 #if defined(OS_CHROMEOS)

chrome/common/url_constants.h

@@ -351,7 +351,6 @@ extern const char kExtensionInvalidRequestURL[];
 extern const char kExtensionResourceInvalidRequestURL[];
 
 extern const char kSyncGoogleDashboardURL[];
-extern const char kSyncChromeDashboardURL[];
 
 extern const char kPasswordManagerLearnMoreURL[];
 extern const char kPasswordManagerAccountDashboardURL[];