Rename DictionaryValue's SetStringFromUTF16() to SetString() (and overload).

Also do a bunch of drive-by changes while I'm at it.

Still to do: rename GetStringAsUTF16() to GetString().

BUG=none
TEST=builds everywhere, tests pass

Review URL: http://codereview.chromium.org/3033050

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@54915 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/base/values_unittest.cc b/base/values_unittest.cc
index 688e42b7e..d71280d 100644
--- a/base/values_unittest.cc
+++ b/base/values_unittest.cc
@@ -804,7 +804,7 @@
   dv.SetInteger("b", 2);
   dv.SetReal("c", 2.5);
   dv.SetString("d1", "string");
-  dv.SetStringFromUTF16("d2", ASCIIToUTF16("http://google.com"));
+  dv.SetString("d2", ASCIIToUTF16("http://google.com"));
   dv.Set("e", Value::CreateNullValue());
 
   DictionaryValue* copy = static_cast<DictionaryValue*>(dv.DeepCopy());