Move plugin_browsertests.cc from browser_tests to content_browsertests.

chrome/test/base/in_process_browser_test.h

Index: chrome/test/base/in_process_browser_test.h
===================================================================
--- chrome/test/base/in_process_browser_test.h	(revision 147965)
+++ chrome/test/base/in_process_browser_test.h	(working copy)
@@ -110,11 +110,6 @@
   void AddTabAtIndex(int index, const GURL& url,
                      content::PageTransition transition);
 
-  // Override this to add any custom setup code that needs to be done on the
-  // main thread after the browser is created and just before calling
-  // RunTestOnMainThread().
-  virtual void SetUpOnMainThread() {}
-
   // Initializes the contents of the user data directory. Called by SetUp()
   // after creating the user data directory, but before any browser is launched.
   // If a test wishes to set up some initial non-empty state in the user data
@@ -122,9 +117,6 @@
   // successful.
   virtual bool SetUpUserDataDirectory() WARN_UNUSED_RESULT;
 
-  // Override this to add command line flags specific to your test.
-  virtual void SetUpCommandLine(CommandLine* command_line) {}
-
   // Override this to add any custom cleanup code that needs to be done on the
   // main thread before the browser is torn down.
   virtual void CleanUpOnMainThread() {}