Added DataTypeController integration and UI surfacing for syncing Search Engines.

chrome/browser/sync/resources/configure.html

Index: chrome/browser/sync/resources/configure.html
===================================================================
--- chrome/browser/sync/resources/configure.html	(revision 98647)
+++ chrome/browser/sync/resources/configure.html	(working copy)
@@ -359,16 +359,23 @@
           args.syncApps;
       document.getElementById("appsItem").className = "sync-item-show";
     } else {
-      document.getElementById("appsItem").className = "sync-item-hide";
-    }
-
+      document.getElementById("appsItem").className = "sync-item-hide";
+    }
+    if (args.searchEnginesRegistered) {
+      document.getElementById("searchEnginesCheckbox").checked =
+          args.syncSearchEngines;
+      document.getElementById("searchEnginesItem").className = "sync-item-show";
+    } else {
+      document.getElementById("searchEnginesItem").className = "sync-item-hide";
+    }
+    if (args.sessionsRegistered) {
+      document.getElementById("sessionsCheckbox").checked = args.syncSessions;
+      document.getElementById("sessionsItem").className = "sync-item-show";
+    } else {
+      document.getElementById("sessionsItem").className = "sync-item-hide";
+    }
+
     setCheckboxesToKeepEverythingSynced(args.keepEverythingSynced);
-    if (args.sessionsRegistered) {
-      document.getElementById("sessionsCheckbox").checked = args.syncSessions;
-      document.getElementById("sessionsItem").className = "sync-item-show";
-    } else {
-      document.getElementById("sessionsItem").className = "sync-item-hide";
-    }
   }
 
   function setEncryptionCheckboxes(args) {
@@ -455,8 +462,9 @@
         "syncPasswords": syncAll || f.passwordsCheckbox.checked,
         "syncAutofill": syncAll || f.autofillCheckbox.checked,
         "syncExtensions": syncAll || f.extensionsCheckbox.checked,
-        "syncTypedUrls": syncAll || f.typedUrlsCheckbox.checked,
-        "syncApps": syncAll || f.appsCheckbox.checked,
+        "syncTypedUrls": syncAll || f.typedUrlsCheckbox.checked,
+        "syncApps": syncAll || f.appsCheckbox.checked,
+        "syncSearchEngines": syncAll || f.searchEnginesCheckbox.checked,
         "syncSessions": syncAll || f.sessionsCheckbox.checked,
         "usePassphrase": (getRadioCheckedValue() == 'explicit'),
         "passphrase": f.passphrase.value
@@ -612,6 +620,13 @@
                      for="sessionsCheckbox" i18n-content="foreignsessions"
                      il8n-values="title:sessions"></label>
             </div>
+            <!-- Search Engines -->
+            <div class="sync-item-show" id="searchEnginesItem">
+              <input id="searchEnginesCheckbox" name="dataTypeCheckbox" type="checkbox">
+              <label id="searchEnginesCheckboxLabel" name="dataTypeLabel"
+                     for="searchEnginesCheckbox" i18n-content="searchengines"
+                     il8n-values="title:searchengines"></label>
+            </div>            
           </div>
         </div>
       </div>