Moved logic for mapping child process FDs for ICU and V8 into child_process_launcher.cc

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index 0a97ef27fbaac3e36a95c58c36a55be0f3f7733b..acd568b8229eca7b029c32f74dc3576161eb8121 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -274,12 +274,6 @@ class CONTENT_EXPORT ContentBrowserClient {
   virtual void AppendExtraCommandLineSwitches(base::CommandLine* command_line,
                                               int child_process_id) {}
 
-  // This is called on the process launching thread, when files that should be
-  // passed to the client have been opened.  It allows command line switches to
-  // be added to tell the client where to find its files.
-  virtual void AppendMappedFileCommandLineSwitches(
-      base::CommandLine* command_line) {}
-
   // Returns the locale used by the application.
   // This is called on the UI and IO threads.
   virtual std::string GetApplicationLocale();