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

net/tools/dns_fuzz_stub/dns_fuzz_stub.cc

Index: net/tools/dns_fuzz_stub/dns_fuzz_stub.cc
diff --git a/net/tools/dns_fuzz_stub/dns_fuzz_stub.cc b/net/tools/dns_fuzz_stub/dns_fuzz_stub.cc
index 19091b787db743b97bb1f1fc5d113ee66e189818..e00c9406d2461ae6de7fe8e20c822062974945e1 100644
--- a/net/tools/dns_fuzz_stub/dns_fuzz_stub.cc
+++ b/net/tools/dns_fuzz_stub/dns_fuzz_stub.cc
@@ -64,7 +64,7 @@ bool ReadTestCase(const char* filename,
     return false;
   }
 
-  DictionaryValue* dict;
+  base::DictionaryValue* dict;
   if (!value->GetAsDictionary(&dict)) {
     LOG(ERROR) << filename << ": test case is not a dictionary.";
     return false;
@@ -103,7 +103,7 @@ bool ReadTestCase(const char* filename,
   }
   *qtype = static_cast<uint16>(qtype_int);
 
-  ListValue* resp_list;
+  base::ListValue* resp_list;
   if (!dict->GetList("response", &resp_list)) {
     LOG(ERROR) << filename << ": response is missing or not a list.";
     return false;