Convert std::wstring encoding names to std::string in a bunch of files.

chrome/browser/encoding_menu_controller_unittest.cc

Index: chrome/browser/encoding_menu_controller_unittest.cc
diff --git a/chrome/browser/encoding_menu_controller_unittest.cc b/chrome/browser/encoding_menu_controller_unittest.cc
index a8258bd6a4560efb7808a96c571b2b34665ff8bf..e7a7fef23504e52d5e4dbe28215a2fe191a175f0 100644
--- a/chrome/browser/encoding_menu_controller_unittest.cc
+++ b/chrome/browser/encoding_menu_controller_unittest.cc
@@ -58,7 +58,7 @@ TEST_F(EncodingMenuControllerTest, ListEncodingMenuItems) {
 
 TEST_F(EncodingMenuControllerTest, IsItemChecked) {
   TestingProfile profile_en;
-  std::wstring encoding(L"UTF-8");
+  std::string encoding("UTF-8");
 
   // Check that enabling and disabling autodetect works.
   bool autodetect_enabed[] = {true, false};
@@ -86,7 +86,7 @@ TEST_F(EncodingMenuControllerTest, IsItemChecked) {
     ASSERT_FALSE(on && encoding_is_enabled);
     encoding_is_enabled |= on;
   }
-  
+
   // Make sure at least one encoding is enabled.
   ASSERT_TRUE(encoding_is_enabled);
 }