Account for the renaming of the dns_prefetch namespace to network_hints.

tools/ipc_fuzzer/mutate/generate.cc

Index: tools/ipc_fuzzer/mutate/generate.cc
diff --git a/tools/ipc_fuzzer/mutate/generate.cc b/tools/ipc_fuzzer/mutate/generate.cc
index a7bf4ee2d680d1e672275ca927f25bd57b9c8f1f..429f91d668eeaada2d47d2c316b86f349966ee15 100644
--- a/tools/ipc_fuzzer/mutate/generate.cc
+++ b/tools/ipc_fuzzer/mutate/generate.cc
@@ -952,17 +952,6 @@ struct GenerateTraits<content::PageState> {
 };
 
 template <>
-struct GenerateTraits<dns_prefetch::LookupRequest> {
-  static bool Generate(dns_prefetch::LookupRequest* p, Generator* generator) {
-    dns_prefetch::LookupRequest request;
-    if (!GenerateParam(&request.hostname_list, generator))
-      return false;
-    *p = request;
-    return true;
-  }
-};
-
-template <>
 struct GenerateTraits<extensions::URLPatternSet> {
   static bool Generate(extensions::URLPatternSet* p, Generator* generator) {
     std::set<URLPattern> patterns;
@@ -1144,6 +1133,17 @@ struct GenerateTraits<net::IPEndPoint> {
 };
 
 template <>
+struct GenerateTraits<network_hints::LookupRequest> {
+  static bool Generate(network_hints::LookupRequest* p, Generator* generator) {
+    network_hints::LookupRequest request;
+    if (!GenerateParam(&request.hostname_list, generator))
+      return false;
+    *p = request;
+    return true;
+  }
+};
+
+template <>
 struct GenerateTraits<gfx::Point> {
   static bool Generate(gfx::Point *p, Generator* generator) {
     int x;