Differential updates for components.

chrome/browser/component_updater/widevine_cdm_component_installer.cc

 // Copyright (c) 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/component_updater/widevine_cdm_component_installer.h"
 
 #include <string.h>
 
 #include <vector>
 
@@ skipping 176 matching lines @@
 
 class WidevineCdmComponentInstaller : public ComponentInstaller {
  public:
   explicit WidevineCdmComponentInstaller(const base::Version& version);
   virtual ~WidevineCdmComponentInstaller() {}
 
   virtual void OnUpdateError(int error) OVERRIDE;
   virtual bool Install(const base::DictionaryValue& manifest,
                        const base::FilePath& unpack_path) OVERRIDE;
 
+  virtual bool GetInstalledFile(const std::string& file,
+                                base::FilePath* installed_file) OVERRIDE;
+
  private:
   base::Version current_version_;
 };
 
 WidevineCdmComponentInstaller::WidevineCdmComponentInstaller(
     const base::Version& version)
     : current_version_(version) {
   DCHECK(version.IsValid());
 }
 
@@ skipping 31 matching lines @@
   if (!file_util::CopyFile(adapter_source_path, adapter_install_path))
     return false;
 
   // Installation is done. Now register the Widevine CDM with chrome.
   current_version_ = version;
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind(
       &RegisterWidevineCdmWithChrome, adapter_install_path, version));
   return true;
 }
 
+bool WidevineCdmComponentInstaller::GetInstalledFile(
+    const std::string& file, base::FilePath* installed_file) {
+  return false;
+}
+
 void FinishWidevineCdmUpdateRegistration(ComponentUpdateService* cus,
                                          const base::Version& version) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   CrxComponent widevine_cdm;
   widevine_cdm.name = "WidevineCdm";
   widevine_cdm.installer = new WidevineCdmComponentInstaller(version);
   widevine_cdm.version = version;
   widevine_cdm.pk_hash.assign(kSha2Hash, &kSha2Hash[sizeof(kSha2Hash)]);
   if (cus->RegisterComponent(widevine_cdm) != ComponentUpdateService::kOk) {
     NOTREACHED() << "Widevine CDM component registration failed.";
@@ skipping 37 matching lines @@
 #endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT)
 
 }  // namespace
 
 void RegisterWidevineCdmComponent(ComponentUpdateService* cus) {
 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT)
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
                           base::Bind(&StartWidevineCdmUpdateRegistration, cus));
 #endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT)
 }