Allow obtaining system Pepper Flash path

atom/browser/api/atom_api_app.cc

@@ -110,6 +110,8 @@ int GetPathConstant(const std::string& name) {
     return chrome::DIR_USER_PICTURES;
   else if (name == "videos")
     return chrome::DIR_USER_VIDEOS;
+  else if (name == "pepperFlashSystemPlugin")
+    return chrome::FILE_PEPPER_FLASH_SYSTEM_PLUGIN;
   else
     return -1;
 }

docs/api/app.md

@@ -346,6 +346,7 @@ You can request the following paths by the name:
 * `music` Directory for a user's music.
 * `pictures` Directory for a user's pictures.
 * `videos` Directory for a user's videos.
+* `pepperFlashSystemPlugin`  Full path to the system version of the Pepper Flash plugin.
 
 ### `app.setPath(name, path)`
 

docs/tutorial/using-pepper-flash-plugin.md

@@ -41,6 +41,8 @@ app.on('ready', () => {
 });
 ```
 
+The path to the system wide Pepper Flash plugin can also be obtained by calling `app.getPath('pepperFlashSystemPlugin')`.
+
 ## Enable Flash Plugin in a `<webview>` Tag
 
 Add `plugins` attribute to `<webview>` tag.