[Hotword] Putting preferences under search for hotword service. Putting behind a flag.

chrome/browser/resources/options/browser_options.html

Index: chrome/browser/resources/options/browser_options.html
diff --git a/chrome/browser/resources/options/browser_options.html b/chrome/browser/resources/options/browser_options.html
index 99fab86555cd9e9c144237254b9fce38e77ae4e2..e691206de17d059287b4046a6724ed7f1f7f2ce5 100644
--- a/chrome/browser/resources/options/browser_options.html
+++ b/chrome/browser/resources/options/browser_options.html
@@ -139,6 +139,61 @@
           </button>
         </div>
       </div>
+      <div id ="hotword-search" hidden>
+        <div class="checkbox">
+          <span class="controlled-setting-with-label">
+            <input id="hotword-search-enable" pref="hotword.search_enabled"
+                type="checkbox">
+            <span>
+              <label for="hotword-search-enable"
+                  i18n-values=".innerHTML:hotwordSearchEnable">
+              </label>
+              <span class="controlled-setting-indicator"
+                  pref="hotword.search_enabled">
+              </span>
+            </span>
+          </span>
+          <div id="hotword-search-description" class="hotword-settings">
+            <span i18n-content="hotwordSearchDescription"></span>
+          </div>
+        </div>
+        <div id="hotword-settings-section" class="hotword-settings" hidden>
+          <div id="hotword-settings-section-container">
+            <div class="checkbox">
+              <span class="controlled-setting-with-label">
+                <input id="hotword-search-timeout"
+                    pref="hotword.search_timeout_enabled" type="checkbox">
+                <span>
+                  <label for="hotword-search-timeout"
+                      i18n-content="hotwordSearchTimeout">
+                  </label>
+                  <span class="controlled-setting-indicator"
+                      pref="hotword.search_timeout_enabled">
+                  </span>
+                </span>
+              </span>
+              <div id="hotword-search-timeout-description"
+                  class="hotword-settings">
+                <span i18n-content="hotwordSearchTimeoutDescription"></span>
+              </div>
+            </div>
+            <div class="checkbox">
+              <span class="controlled-setting-with-label">
+                <input id="hotword-search-incognito-enable"
+                    pref="hotword.incognito_search_enabled" type="checkbox">
+                <span>
+                  <label for="hotword-search-incognito-enable"
+                      i18n-content="hotwordSearchIncognito">
+                  </label>
+                  <span class="controlled-setting-indicator"
+                      pref="hotword.incognito_search_enabled">
+                  </span>
+                </span>
+              </span>
+            </div>
+          </div>
+        </div>
+      </div>
   </section>
   <section id="sync-users-section" guest-visibility="hidden">
     <h3 i18n-content="sectionTitleUsers"></h3>