[HBD] Remove PluginCache and reload plugin list when origin changes

content/ppapi_plugin/ppapi_blink_platform_impl.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 CONTENT_PPAPI_PLUGIN_PPAPI_BLINK_PLATFORM_IMPL_H_
 #define CONTENT_PPAPI_PLUGIN_PPAPI_BLINK_PLATFORM_IMPL_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 26 matching lines @@
                             blink::WebMessagePortChannel** channel2) override;
   virtual void setCookies(const blink::WebURL& url,
                           const blink::WebURL& first_party_for_cookies,
                           const blink::WebString& value);
   virtual blink::WebString cookies(
       const blink::WebURL& url,
       const blink::WebURL& first_party_for_cookies);
   blink::WebString defaultLocale() override;
   blink::WebThemeEngine* themeEngine() override;
   blink::WebURLLoader* createURLLoader() override;
-  void getPluginList(bool refresh, blink::WebPluginListBuilder*) override;
+  void getPluginList(bool refresh,
+                     const blink::WebSecurityOrigin& mainFrameOrigin,
+                     blink::WebPluginListBuilder*) override;
   blink::WebData loadResource(const char* name) override;
   blink::WebStorageNamespace* createLocalStorageNamespace() override;
   virtual void dispatchStorageEvent(const blink::WebString& key,
       const blink::WebString& oldValue, const blink::WebString& newValue,
       const blink::WebString& origin, const blink::WebURL& url,
       bool isLocalStorage);
   int databaseDeleteFile(const blink::WebString& vfs_file_name,
                          bool sync_dir) override;
 
  private:
 #if !defined(OS_ANDROID) && !defined(OS_WIN)
   class SandboxSupport;
   std::unique_ptr<SandboxSupport> sandbox_support_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(PpapiBlinkPlatformImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PPAPI_PLUGIN_PPAPI_BLINK_PLATFORM_IMPL_H_