Run ContentMain in a browser_test's browser process. This removes duplication of code in the browse…

chrome/browser/chromeos/login/login_browsertest.cc

Index: chrome/browser/chromeos/login/login_browsertest.cc
===================================================================
--- chrome/browser/chromeos/login/login_browsertest.cc	(revision 257128)
+++ chrome/browser/chromeos/login/login_browsertest.cc	(working copy)
@@ -126,13 +126,13 @@
     command_line->AppendSwitch(chromeos::switches::kForceLoginManagerInTests);
   }
 
-  virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
+  virtual void SetUpOnMainThread() OVERRIDE {
     content_browser_client_.reset(new TestContentBrowserClient());
     original_content_browser_client_ = content::SetBrowserClientForTesting(
         content_browser_client_.get());
   }
 
-  virtual void TearDownInProcessBrowserTestFixture() OVERRIDE {
+  virtual void CleanUpOnMainThread() OVERRIDE {
     content::SetBrowserClientForTesting(original_content_browser_client_);
   }