Convert src/net to use std::string/char* for DictionaryValue keys.

net/proxy/proxy_resolver_js_bindings.cc

Index: net/proxy/proxy_resolver_js_bindings.cc
diff --git a/net/proxy/proxy_resolver_js_bindings.cc b/net/proxy/proxy_resolver_js_bindings.cc
index 56604cda4da25240df5e07a2258da3e82474ee04..95ccdb519b4a12e982cc42f51ebdbe48dc5ebf90 100644
--- a/net/proxy/proxy_resolver_js_bindings.cc
+++ b/net/proxy/proxy_resolver_js_bindings.cc
@@ -31,8 +31,8 @@ class ErrorNetlogParams : public NetLog::EventParameters {
 
   virtual Value* ToValue() const {
     DictionaryValue* dict = new DictionaryValue();
-    dict->SetInteger(L"line_number", line_number_);
-    dict->SetStringFromUTF16(L"message", message_);
+    dict->SetInteger("line_number", line_number_);
+    dict->SetStringFromUTF16("message", message_);
     return dict;
   }
 
@@ -51,7 +51,7 @@ class AlertNetlogParams : public NetLog::EventParameters {
 
   virtual Value* ToValue() const {
     DictionaryValue* dict = new DictionaryValue();
-    dict->SetStringFromUTF16(L"message", message_);
+    dict->SetStringFromUTF16("message", message_);
     return dict;
   }