Make net and ipc explicitly use the base namespace for Values.

net/url_request/url_request_throttler_entry.cc

Index: net/url_request/url_request_throttler_entry.cc
diff --git a/net/url_request/url_request_throttler_entry.cc b/net/url_request/url_request_throttler_entry.cc
index 69f0a4dd79d2aa5a2d319665bc46d2d275d8ac11..b7c06122df2703851936416ccf0408b1107e4338 100644
--- a/net/url_request/url_request_throttler_entry.cc
+++ b/net/url_request/url_request_throttler_entry.cc
@@ -52,11 +52,11 @@ const char URLRequestThrottlerEntry::kExponentialThrottlingDisableValue[] =
     "disable";
 
 // Returns NetLog parameters when a request is rejected by throttling.
-Value* NetLogRejectedRequestCallback(const std::string* url_id,
-                                     int num_failures,
-                                     int release_after_ms,
-                                     NetLog::LogLevel /* log_level */) {
-  DictionaryValue* dict = new DictionaryValue();
+base::Value* NetLogRejectedRequestCallback(const std::string* url_id,
+                                           int num_failures,
+                                           int release_after_ms,
+                                           NetLog::LogLevel /* log_level */) {
+  base::DictionaryValue* dict = new base::DictionaryValue();
   dict->SetString("url", *url_id);
   dict->SetInteger("num_failures", num_failures);
   dict->SetInteger("release_after_ms", release_after_ms);