Move url_request_test_util into net namespace

sync/tools/sync_client.cc

Index: sync/tools/sync_client.cc
diff --git a/sync/tools/sync_client.cc b/sync/tools/sync_client.cc
index 78db3b4b3e1eb93ae07f55ff71ae12c69a7e7e63..f49e59e313d7b94c09d69b49e3c5d4c522d5259f 100644
--- a/sync/tools/sync_client.cc
+++ b/sync/tools/sync_client.cc
@@ -101,7 +101,7 @@ class NullInvalidationStateTracker
 };
 
 // Needed to use a real host resolver.
-class MyTestURLRequestContext : public TestURLRequestContext {
+class MyTestURLRequestContext : public net::TestURLRequestContext {
  public:
   MyTestURLRequestContext() : TestURLRequestContext(true) {
     context_storage_.set_host_resolver(
@@ -114,13 +114,13 @@ class MyTestURLRequestContext : public TestURLRequestContext {
   virtual ~MyTestURLRequestContext() {}
 };
 
-class MyTestURLRequestContextGetter : public TestURLRequestContextGetter {
+class MyTestURLRequestContextGetter : public net::TestURLRequestContextGetter {
  public:
   explicit MyTestURLRequestContextGetter(
       const scoped_refptr<base::MessageLoopProxy>& io_message_loop_proxy)
       : TestURLRequestContextGetter(io_message_loop_proxy) {}
 
-  virtual TestURLRequestContext* GetURLRequestContext() OVERRIDE {
+  virtual net::TestURLRequestContext* GetURLRequestContext() OVERRIDE {
     // Construct |context_| lazily so it gets constructed on the right
     // thread (the IO thread).
     if (!context_.get())