InstantExtended: add back focus() API call.

BUG=none
TESTED=Open NTP, run chrome.embeddedSearch.searchBox.focus() in the DOM inspector.

Review URL: https://chromiumcodereview.appspot.com/23462014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@220531 0039d316-1c4b-4281-b951-d872f2087c98

chrome/renderer/resources/extensions/searchbox_api.js

@@ -13,6 +13,7 @@ if (!chrome.embeddedSearch) {
       // =======================================================================
       //                            Private functions
       // =======================================================================
+      native function Focus();
       native function GetDisplayInstantResults();
       native function GetFont();
       native function GetFontSize();
@@ -41,6 +42,10 @@ if (!chrome.embeddedSearch) {
       this.__defineGetter__('suggestion', GetSuggestionToPrefetch);
       this.__defineGetter__('value', GetQuery);
 
+      this.focus = function() {
+        Focus();
+      };
+
       // This method is restricted to chrome-search://most-visited pages by
       // checking the invoking context's origin in searchbox_extension.cc.
       this.getMostVisitedItemData = function(restrictedId) {

chrome/renderer/searchbox/searchbox.cc

@@ -223,6 +223,12 @@ const ThemeBackgroundInfo& SearchBox::GetThemeBackgroundInfo() {
   return theme_info_;
 }
 
+void SearchBox::Focus() {
+  render_view()->Send(new ChromeViewHostMsg_FocusOmnibox(
+      render_view()->GetRoutingID(), render_view()->GetPageId(),
+      OMNIBOX_FOCUS_VISIBLE));
+}
+
 void SearchBox::NavigateToURL(const GURL& url,
                               content::PageTransition transition,
                               WindowOpenDisposition disposition,

chrome/renderer/searchbox/searchbox.h

@@ -66,6 +66,9 @@ class SearchBox : public content::RenderViewObserver,
   bool GetMostVisitedItemWithID(InstantRestrictedID most_visited_item_id,
                                 InstantMostVisitedItem* item) const;
 
+  // Sends ChromeViewHostMsg_FocusOmnibox to the browser.
+  void Focus();
+
   // Sends ChromeViewHostMsg_SearchBoxNavigate to the browser.
   void NavigateToURL(const GURL& url,
                      content::PageTransition transition,

chrome/renderer/searchbox/searchbox_extension.cc

@@ -321,6 +321,9 @@ class SearchBoxExtensionWrapper : public v8::Extension {
   static void DeleteMostVisitedItem(
       const v8::FunctionCallbackInfo<v8::Value>& args);
 
+  // Focuses the omnibox.
+  static void Focus(const v8::FunctionCallbackInfo<v8::Value>& args);
+
   // Gets whether or not the app launcher is enabled.
   static void GetAppLauncherEnabled(
       const v8::FunctionCallbackInfo<v8::Value>& args);
@@ -485,6 +488,8 @@ v8::Handle<v8::FunctionTemplate> SearchBoxExtensionWrapper::GetNativeFunction(
     v8::Handle<v8::String> name) {
   if (name->Equals(v8::String::New("DeleteMostVisitedItem")))
     return v8::FunctionTemplate::New(DeleteMostVisitedItem);
+  if (name->Equals(v8::String::New("Focus")))
+    return v8::FunctionTemplate::New(Focus);
   if (name->Equals(v8::String::New("GetAppLauncherEnabled")))
     return v8::FunctionTemplate::New(GetAppLauncherEnabled);
   if (name->Equals(v8::String::New("GetFont")))
@@ -553,6 +558,16 @@ void SearchBoxExtensionWrapper::DeleteMostVisitedItem(
   SearchBox::Get(render_view)->DeleteMostVisitedItem(args[0]->IntegerValue());
 }
 
+// static
+void SearchBoxExtensionWrapper::Focus(
+    const v8::FunctionCallbackInfo<v8::Value>& args) {
+  content::RenderView* render_view = GetRenderView();
+  if (!render_view) return;
+
+  DVLOG(1) << render_view << " Focus";
+  SearchBox::Get(render_view)->Focus();
+}
+
 // static
 void SearchBoxExtensionWrapper::GetAppLauncherEnabled(
     const v8::FunctionCallbackInfo<v8::Value>& args) {