Add setVoiceSearchSupported to the searchbox API. This will be used to determine whether to show a …

chrome/browser/ui/search/search_tab_helper.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/browser/ui/search/search_tab_helper.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
@@ skipping 123 matching lines @@
   // LoadCommittedDetails::type to be NAVIGATION_TYPE_IN_PAGE. Unfortunately,
   // they are different in some cases. To workaround this bug, we are checking
   // (is_in_page || type == NAVIGATION_TYPE_IN_PAGE). Please refer to
   // crbug.com/251330 for more details.
   if (load_details->is_in_page ||
       load_details->type == content::NAVIGATION_TYPE_IN_PAGE) {
     return;
   }
 
   model_.SetInstantSupportState(INSTANT_SUPPORT_UNKNOWN);
+  model_.SetVoiceSearchSupported(false);
 }
 
 bool SearchTabHelper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(SearchTabHelper, message)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxShowBars,
                         OnSearchBoxShowBars)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxHideBars,
                         OnSearchBoxHideBars)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_InstantSupportDetermined,
                         OnInstantSupportDetermined)
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SetVoiceSearchSupported,
+                        OnSetVoiceSearchSupported)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void SearchTabHelper::DidFinishLoad(
     int64 /* frame_id */,
     const GURL&  /* validated_url */,
     bool is_main_frame,
     content::RenderViewHost* /* render_view_host */) {
@@ skipping 11 matching lines @@
     type = SearchMode::MODE_SEARCH_RESULTS;
     origin = SearchMode::ORIGIN_SEARCH;
   }
   if (user_input_in_progress_)
     type = SearchMode::MODE_SEARCH_SUGGESTIONS;
 
   if (type == SearchMode::MODE_NTP && origin == SearchMode::ORIGIN_NTP &&
       !popup_is_open_ && !user_text_is_empty_) {
     // We're switching back (|popup_is_open_| is false) to an NTP (type and
     // mode are |NTP|) with suggestions (|user_text_is_empty_| is false), don't
-    // modify visibility of top bars.  This specific omnibox state is set when
-    // OmniboxEditModelChanged() is called from
+    // modify visibility of top bars or voice search support.  This specific
+    // omnibox state is set when OmniboxEditModelChanged() is called from
     // OmniboxEditModel::SetInputInProgress() which is called from
     // OmniboxEditModel::Revert().
     model_.SetState(SearchModel::State(SearchMode(type, origin),
                                        model_.state().top_bars_visible,
-                                       model_.instant_support()));
+                                       model_.instant_support(),
+                                       model_.state().voice_search_supported));
   } else {
     model_.SetMode(SearchMode(type, origin));
   }
 }
 
 void SearchTabHelper::DetermineIfPageSupportsInstant() {
   Profile* profile =
       Profile::FromBrowserContext(web_contents_->GetBrowserContext());
   if (!chrome::ShouldAssignURLToInstantRenderer(web_contents_->GetURL(),
                                                 profile)) {
@@ skipping 22 matching lines @@
   if (web_contents()->IsActiveEntry(page_id))
     model_.SetTopBarsVisible(true);
 }
 
 void SearchTabHelper::OnSearchBoxHideBars(int page_id) {
   if (web_contents()->IsActiveEntry(page_id)) {
     model_.SetTopBarsVisible(false);
     Send(new ChromeViewMsg_SearchBoxBarsHidden(routing_id()));
   }
 }
+
+void SearchTabHelper::OnSetVoiceSearchSupported(int page_id, bool supported) {
+  if (web_contents()->IsActiveEntry(page_id))
+    model_.SetVoiceSearchSupported(supported);
+}