Add support for Flash Player Component updates on Linux

chrome/common/chrome_content_client.h

 // Copyright (c) 2012 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_COMMON_CHROME_CONTENT_CLIENT_H_
 #define CHROME_COMMON_CHROME_CONTENT_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 30 matching lines @@
       content::PepperPluginInfo::GetInterfaceFunc get_interface,
       content::PepperPluginInfo::PPP_InitializeModuleFunc initialize_module,
       content::PepperPluginInfo::PPP_ShutdownModuleFunc shutdown_module);
 #endif
 
 #if defined(ENABLE_PLUGINS)
   static void SetPDFEntryFunctions(
       content::PepperPluginInfo::GetInterfaceFunc get_interface,
       content::PepperPluginInfo::PPP_InitializeModuleFunc initialize_module,
       content::PepperPluginInfo::PPP_ShutdownModuleFunc shutdown_module);
+
+  // This returns the most recent plugin based on the plugin versions.
+  // It does not make sense to call this on a vector that contains more than one
+  // plugin type. This function may return a nullptr.

[Bernhard Bauer, 2015/08/13 12:40:26]

Under which circumstances?

[Greg K, 2015/08/13 22:00:44]

Done.

+  static content::PepperPluginInfo* FindMostRecentPlugin(

[Bernhard Bauer, 2015/08/13 12:40:26]

Is this method called outside of ChromeContentClient and tests? If not, can you
add a comment that this is only visible for testing?

[Greg K, 2015/08/13 22:00:44]

Done.

+      const std::vector<content::PepperPluginInfo*>& plugins);
 #endif
 
   void SetActiveURL(const GURL& url) override;
   void SetGpuInfo(const gpu::GPUInfo& gpu_info) override;
   void AddPepperPlugins(
       std::vector<content::PepperPluginInfo>* plugins) override;
   void AddAdditionalSchemes(std::vector<std::string>* standard_schemes,
                             std::vector<std::string>* saveable_shemes) override;
   std::string GetProduct() const override;
   std::string GetUserAgent() const override;
@@ skipping 12 matching lines @@
       int* sandbox_profile_resource_id) const override;
 #endif
 
   void AddSecureSchemesAndOrigins(std::set<std::string>* schemes,
                                   std::set<GURL>* origins) override;
 
   void AddServiceWorkerSchemes(std::set<std::string>* schemes) override;
 };
 
 #endif  // CHROME_COMMON_CHROME_CONTENT_CLIENT_H_