Plumb preamble log data from the hotword extension into the speech recognizer.

chrome/browser/ui/app_list/app_list_service_impl.cc

 // Copyright 2013 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/app_list/app_list_service_impl.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 311 matching lines @@
   view_delegate_->SetProfile(NULL);
 }
 
 void AppListServiceImpl::Show() {
   profile_loader_->LoadProfileInvalidatingOtherLoads(
       GetProfilePath(profile_store_->GetUserDataDir()),
       base::Bind(&AppListServiceImpl::ShowForProfile,
                  weak_factory_.GetWeakPtr()));
 }
 
-void AppListServiceImpl::ShowForVoiceSearch(Profile* profile) {
+void AppListServiceImpl::ShowForVoiceSearch(
+    Profile* profile,
+    const scoped_refptr<content::SpeechRecognitionSessionPreamble>& preamble) {
   ShowForProfile(profile);
-  view_delegate_->ToggleSpeechRecognition();
+  view_delegate_->ToggleSpeechRecognitionForHotword(preamble);
 }
 
 void AppListServiceImpl::ShowForAppInstall(Profile* profile,
                                            const std::string& extension_id,
                                            bool start_discovery_tracking) {
   if (start_discovery_tracking) {
     CreateForProfile(profile);
   } else {
     // Check if the app launcher has not yet been shown ever. Since this will
     // show it, if discoverability UMA hasn't yet been recorded, it needs to be
@@ skipping 62 matching lines @@
   if (!base::MessageLoop::current())
     return;  // In a unit test.
 
   // Send app list usage stats after a delay.
   const int kSendUsageStatsDelay = 5;
   base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&AppListServiceImpl::SendAppListStats),
       base::TimeDelta::FromSeconds(kSendUsageStatsDelay));
 }