Added Client-Hints.

chrome/browser/net/client_hints_unittest.cc

Index: chrome/browser/net/client_hints_unittest.cc
diff --git a/chrome/browser/net/client_hints_unittest.cc b/chrome/browser/net/client_hints_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c4e141e75594e788d7985f78064490e24da2a67f
--- /dev/null
+++ b/chrome/browser/net/client_hints_unittest.cc
@@ -0,0 +1,31 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/net/client_hints.h"
+
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class ClientHintsTest : public testing::Test {
+ protected:
+  ClientHintsTest() {}
+
+  virtual void SetUp() OVERRIDE {
+    client_hints_ = new ClientHints();
+    client_hints_->UpdateScreenInfo(100, 200, 1.567);
+  }
+
+  virtual void TearDown() OVERRIDE {
+    client_hints_ = NULL;
+  }
+
+  scoped_refptr<ClientHints> client_hints_;
+};
+
+TEST_F(ClientHintsTest, HintsWellFormatted) {
+  std::string hint = client_hints_->GetScreenInfoHints();
+  EXPECT_EQ("dh=200, dw=100, dpr=1.57", hint);
+}
+