Enable Flapper by default with USE_AURA.

chrome/browser/component_updater/pepper_flash_component_installer.cc

 // Copyright (c) 2011 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/flash_component_installer.h"
 
 #include <string.h>
 
 #include "base/base_paths.h"
 #include "base/compiler_specific.h"
@@ skipping 57 matching lines @@
     "???";
 #endif
 
 // The Pepper Flash plugins are in a directory with this name.
 const FilePath::CharType kPepperFlashBaseDirectory[] =
     FILE_PATH_LITERAL("PepperFlash");
 
 // If we don't have a Pepper Flash component, this is the version we claim.
 const char kNullVersion[] = "0.0.0.0";
 
+// True if Pepper Flash should be enabled by default.
+#if defined(USE_AURA)
+const bool kEnablePepperFlash = true;
+#else
+const bool kEnablePepperFlash = false;
+#endif
+
 // The base directory on Windows looks like:
 // <profile>\AppData\Local\Google\Chrome\User Data\PepperFlash\.
 FilePath GetPepperFlashBaseDirectory() {
   FilePath result;
   PathService::Get(chrome::DIR_USER_DATA, &result);
   return result.Append(kPepperFlashBaseDirectory);
 }
 
 // Pepper Flash plugins have the version encoded in the path itself
 // so we need to enumerate the directories to find the full path.
@@ skipping 62 matching lines @@
   return true;
 }
 
 void RegisterPepperFlashWithChrome(const FilePath& path,
                                    const Version& version) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   content::PepperPluginInfo plugin_info;
   // Register it as out-of-process and disabled.
   if (!MakePepperFlashPluginInfo(path, version, true, &plugin_info))
     return;
-  PluginPrefs::EnablePluginGlobally(false, plugin_info.path);
+  PluginPrefs::EnablePluginGlobally(kEnablePepperFlash, plugin_info.path);
   webkit::npapi::PluginList::Singleton()->RegisterInternalPlugin(
       plugin_info.ToWebPluginInfo());
   webkit::npapi::PluginList::Singleton()->RefreshPlugins();
 }
 
 }  // namespace
 
 class PepperFlashComponentInstaller : public ComponentInstaller {
  public:
   explicit PepperFlashComponentInstaller(const Version& version);
@@ skipping 139 matching lines @@
 }
 
 }  // namespace
 
 void RegisterPepperFlashComponent(ComponentUpdateService* cus) {
 #if defined(GOOGLE_CHROME_BUILD)
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
       NewRunnableFunction(&StartPepperFlashUpdateRegistration, cus));
 #endif
 }