Pass icon and icon murmur2 hash to WebApkInstaller when updating WebAPKs.

chrome/browser/android/webapk/webapk_installer.h

 // Copyright 2016 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.
 
 #ifndef CHROME_BROWSER_ANDROID_WEBAPK_WEBAPK_INSTALLER_H_
 #define CHROME_BROWSER_ANDROID_WEBAPK_WEBAPK_INSTALLER_H_
 
 #include <jni.h>
 #include <memory>
 
@@ skipping 46 matching lines @@
   // Same as InstallAsync() but uses the passed in |request_context_getter|.
   void InstallAsyncWithURLRequestContextGetter(
       net::URLRequestContextGetter* request_context_getter,
       const FinishCallback& callback);
 
   // Talks to the Chrome WebAPK server to update a WebAPK on the server and to
   // the Google Play server to install the downloaded WebAPK. Calls |callback|
   // after the request to install the WebAPK is sent to the Google Play server.
   void UpdateAsync(content::BrowserContext* browser_context,
                    const FinishCallback& callback,
+                   const std::string& icon_murmur2_hash,
                    const std::string& webapk_package,
                    int webapk_version);
 
   // Same as UpdateAsync() but uses the passed in |request_context_getter|.
   void UpdateAsyncWithURLRequestContextGetter(
       net::URLRequestContextGetter* request_context_getter,
       const FinishCallback& callback,
+      const std::string& icon_murmur2_hash,
       const std::string& webapk_package,
       int webapk_version);
 
   // Sets the timeout for the server requests.
   void SetTimeoutMs(int timeout_ms);
 
  protected:
   // Starts installation of the downloaded WebAPK. Returns whether the install
   // could be started. The installation may still fail if true is returned.
   // |file_path| is the file path that the WebAPK was downloaded to.
@@ skipping 128 matching lines @@
   // Indicates whether the installer is for installing or updating a WebAPK.
   TaskType task_type_;
 
   // Used to get |weak_ptr_|.
   base::WeakPtrFactory<WebApkInstaller> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebApkInstaller);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_WEBAPK_WEBAPK_INSTALLER_H_