Add onfocuschange to the Extended Search API, with associated isFocused attribute.

chrome/renderer/searchbox/searchbox.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/searchbox/searchbox.h"
 
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/omnibox_focus_state.h"
@@ skipping 49 matching lines @@
     : content::RenderViewObserver(render_view),
       content::RenderViewObserverTracker<SearchBox>(render_view),
       verbatim_(false),
       query_is_restricted_(false),
       selection_start_(0),
       selection_end_(0),
       start_margin_(0),
       is_key_capture_enabled_(false),
       display_instant_results_(false),
       omnibox_font_size_(0),
+      is_focused_(false),
       autocomplete_results_cache_(kMaxInstantAutocompleteResultItemCacheSize),
       most_visited_items_cache_(kMaxInstantMostVisitedItemCacheSize) {
 }
 
 SearchBox::~SearchBox() {
 }
 
 void SearchBox::SetSuggestions(
     const std::vector<InstantSuggestion>& suggestions) {
   if (!suggestions.empty() &&
@@ skipping 122 matching lines @@
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxSetDisplayInstantResults,
                         OnSetDisplayInstantResults)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxKeyCaptureChanged,
                         OnKeyCaptureChange)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxThemeChanged,
                         OnThemeChanged)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxFontInformation,
                         OnFontInformationReceived)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxMostVisitedItemsChanged,
                         OnMostVisitedChanged)
+    IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxFocusChanged,
+                        OnFocusChanged)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void SearchBox::DidClearWindowObject(WebKit::WebFrame* frame) {
   extensions_v8::SearchBoxExtension::DispatchOnWindowReady(frame);
 }
 
 void SearchBox::OnChange(const string16& query,
@@ skipping 213 matching lines @@
     std::vector<InstantMostVisitedItemIDPair>* items) const {
   return most_visited_items_cache_.GetCurrentItems(items);
 }
 
 bool SearchBox::GetMostVisitedItemWithID(
     InstantRestrictedID most_visited_item_id,
     InstantMostVisitedItem* item) const {
   return most_visited_items_cache_.GetItemWithRestrictedID(most_visited_item_id,
                                                            item);
 }
+
+void SearchBox::OnFocusChanged(bool is_focused) {
+  is_focused_ = is_focused;
+  if (render_view()->GetWebView() && render_view()->GetWebView()->mainFrame()) {
+    extensions_v8::SearchBoxExtension::DispatchFocusChange(
+        render_view()->GetWebView()->mainFrame());
+  }
+}