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

chrome/browser/extensions/api/hotword_private/hotword_private_apitest.cc

 // Copyright 2014 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 "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/extensions/api/hotword_private/hotword_private_api.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/history/web_history_service.h"
@@ skipping 106 matching lines @@
         recognized_count_(0) {
   }
 
   ~MockHotwordClient() override {}
 
   void OnHotwordStateChanged(bool enabled) override {
     last_enabled_ = enabled;
     state_changed_count_++;
   }
 
-  void OnHotwordRecognized() override { recognized_count_++; }
+  void OnHotwordRecognized(
+      const scoped_refptr<content::SpeechRecognitionSessionPreamble>& preamble)
+      override { recognized_count_++; }
 
   bool last_enabled() const { return last_enabled_; }
   int state_changed_count() const { return state_changed_count_; }
   int recognized_count() const { return recognized_count_; }
 
  private:
   bool last_enabled_;
   int state_changed_count_;
   int recognized_count_;
 
@@ skipping 333 matching lines @@
   ExtensionTestMessageListener setListenerT("set AH: false failure", false);
   ExtensionTestMessageListener setListenerF("set AH: false failure", false);
   ExtensionTestMessageListener getListener("get AH: false failure", false);
 
   ASSERT_TRUE(RunComponentExtensionTest("audioHistory")) << message_;
 
   EXPECT_TRUE(setListenerT.WaitUntilSatisfied());
   EXPECT_TRUE(setListenerF.WaitUntilSatisfied());
   EXPECT_TRUE(getListener.WaitUntilSatisfied());
 }