Revert 174880 due to compilation error in pdf_browsertest.cc

chrome/browser/content_settings/content_settings_browsertest.cc

Index: chrome/browser/content_settings/content_settings_browsertest.cc
===================================================================
--- chrome/browser/content_settings/content_settings_browsertest.cc	(revision 174946)
+++ chrome/browser/content_settings/content_settings_browsertest.cc	(working copy)
@@ -381,8 +381,7 @@
 
   ASSERT_TRUE(content::ExecuteJavaScript(
       chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
-      "",
-      "window.inject()"));
+      L"", L"window.inject()"));
 
   EXPECT_EQ(expected_title2, title_watcher2.WaitAndGetTitle());
 }
@@ -398,8 +397,7 @@
   // Inject the callback function into the HTML page generated by the browser.
   ASSERT_TRUE(content::ExecuteJavaScript(
       chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
-      "",
-      "CallOnStartup = function() { document.title = \"OK\"; }"));
+      L"", L"CallOnStartup = function() { document.title = \"OK\"; }"));
 
   string16 expected_title(ASCIIToUTF16("OK"));
   content::TitleWatcher title_watcher(