dom-ui options: record user metrics for pref changes....

chrome/browser/resources/options/browser_options.html

Index: chrome/browser/resources/options/browser_options.html
===================================================================
--- chrome/browser/resources/options/browser_options.html	(revision 56963)
+++ chrome/browser/resources/options/browser_options.html	(working copy)
@@ -4,14 +4,17 @@
     <h3 i18n-content="startupGroupName"></h3>
     <div>
       <label><input type="radio" name="startup"
-          pref="session.restore_on_startup" value="0"><span
-          i18n-content="startupShowDefaultAndNewTab"></span></label>
+          pref="session.restore_on_startup" value="0"
+          metric="Options_Startup_Homepage">
+          <span i18n-content="startupShowDefaultAndNewTab"></span></label>
       <label><input type="radio" name="startup"
-          pref="session.restore_on_startup" value="1"><span
-          i18n-content="startupShowLastSession"></span></label>
+          pref="session.restore_on_startup" value="1"
+          metric="Options_Startup_LastSession">
+          <span i18n-content="startupShowLastSession"></span></label>
       <label><input type="radio" name="startup" id="startupShowPagesButton"
-          pref="session.restore_on_startup" value="4"><span
-          i18n-content="startupShowPages"></span></label>
+          pref="session.restore_on_startup" value="4"
+          metric="Options_Startup_Custom">
+          <span i18n-content="startupShowPages"></span></label>
       <div class="suboption">
         <div class="left-side-table">
           <div>
@@ -33,18 +36,21 @@
     <h3 i18n-content="homepageGroupName"></h3>
     <div>
       <label><input type="radio" name="homepage"
-          pref="homepage_is_newtabpage" value="true"><span
-          i18n-content="homepageUseNewTab"></span></label>
+          pref="homepage_is_newtabpage" value="true"
+          metric="Options_Homepage_IsNewTabPage">
+          <span i18n-content="homepageUseNewTab"></span></label>
       <label><input type="radio" name="homepage" id="homepageUseURLButton"
-          pref="homepage_is_newtabpage" value="false"><span
-          i18n-content="homepageUseURL"></span></label>
+          pref="homepage_is_newtabpage" value="false"
+          metric="Options_Homepage_IsNewTabPage">
+          <span i18n-content="homepageUseURL"></span></label>
       <div class="suboption">
         <input id="homepageURL" type="url" pref="homepage">
       </div>
       <div class="option">
         <label><input id="homepageShowButton"
-            pref="browser.show_home_button" type="checkbox"><span
-            i18n-content="homepageShowButton"></span></label>
+            pref="browser.show_home_button"
+            metric="Options_Homepage_HomeButton" type="checkbox">
+            <span i18n-content="homepageShowButton"></span></label>
       </div>
     </div>
   </section>