[Autofill] Add protobuf for Google Wallet risk parameters and a utility function for filling it out.

chrome/browser/autofill/risk/fingerprint_browsertest.cc

+// 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/autofill/risk/fingerprint.h"
+
+#include "base/bind.h"
+#include "base/message_loop.h"
+#include "base/prefs/public/pref_service_base.h"
+#include "chrome/browser/autofill/risk/proto/fingerprint.pb.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/testing_pref_service.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/rect.h"
+
+namespace autofill {
+namespace risk {
+
+const int64 kGaiaId = 99194853094755497;
+const char kCharset[] = "UTF-8";
+const char kAcceptLanguages[] = "en-US,en";
+
+class AutofillRiskFingerprintTest : public InProcessBrowserTest {
+ public:
+  AutofillRiskFingerprintTest()
+      : kWindowBounds(2, 3, 5, 7),
+        kContentBounds(11, 13, 17, 37),
+        message_loop_(MessageLoop::TYPE_UI) {}
+
+  void GetFingerprintTestCallback(scoped_ptr<Fingerprint> fingerprint) {
+    // Verify that all fields Chrome can fill have been filled.
+    ASSERT_TRUE(fingerprint->has_machine_characteristics());
+    const Fingerprint_MachineCharacteristics& machine =
+        fingerprint->machine_characteristics();
+    ASSERT_TRUE(machine.has_operating_system_build());
+    ASSERT_GT(machine.font_size(), 0);
+    ASSERT_GT(machine.plugin_size(), 0);
+    ASSERT_TRUE(machine.has_utc_offset_ms());
+    ASSERT_TRUE(machine.has_browser_language());
+    ASSERT_GT(machine.requested_language_size(), 0);
+    ASSERT_TRUE(machine.has_charset());
+    ASSERT_TRUE(machine.has_screen_count());
+    ASSERT_TRUE(machine.has_screen_size());
+    ASSERT_TRUE(machine.screen_size().has_width());
+    ASSERT_TRUE(machine.screen_size().has_height());
+    ASSERT_TRUE(machine.has_user_agent());
+    ASSERT_TRUE(machine.has_cpu());
+    ASSERT_TRUE(machine.cpu().has_vendor_name());
+    ASSERT_TRUE(machine.cpu().has_brand());
+    ASSERT_TRUE(machine.has_ram());
+    ASSERT_TRUE(machine.has_graphics_card());
+    ASSERT_TRUE(machine.graphics_card().has_vendor_id());
+    ASSERT_TRUE(machine.graphics_card().has_device_id());
+    ASSERT_TRUE(machine.has_browser_build());
+
+    ASSERT_TRUE(fingerprint->has_transient_state());
+    const Fingerprint_TransientState& transient_state =
+        fingerprint->transient_state();
+    ASSERT_TRUE(transient_state.has_inner_window_size());
+    ASSERT_TRUE(transient_state.has_outer_window_size());
+    ASSERT_TRUE(transient_state.inner_window_size().has_width());
+    ASSERT_TRUE(transient_state.inner_window_size().has_height());
+    ASSERT_TRUE(transient_state.outer_window_size().has_width());
+    ASSERT_TRUE(transient_state.outer_window_size().has_height());
+
+    ASSERT_TRUE(fingerprint->has_metadata());
+    ASSERT_TRUE(fingerprint->metadata().has_timestamp_ms());
+    ASSERT_TRUE(fingerprint->metadata().has_gaia_id());
+    ASSERT_TRUE(fingerprint->metadata().has_fingerprinter_version());
+
+    // Some values have exact known (mocked out) values:
+    ASSERT_EQ(2, machine.requested_language_size());
+    EXPECT_EQ("en-US", machine.requested_language(0));
+    EXPECT_EQ("en", machine.requested_language(1));
+    EXPECT_EQ(kCharset, machine.charset());
+    EXPECT_EQ(kContentBounds.width(),
+              transient_state.inner_window_size().width());
+    EXPECT_EQ(kContentBounds.height(),
+              transient_state.inner_window_size().height());
+    EXPECT_EQ(kWindowBounds.width(),
+              transient_state.outer_window_size().width());
+    EXPECT_EQ(kWindowBounds.height(),
+              transient_state.outer_window_size().height());
+    EXPECT_EQ(kGaiaId, fingerprint->metadata().gaia_id());
+
+    message_loop_.Quit();
+  }
+
+ protected:
+  const gfx::Rect kWindowBounds;
+  const gfx::Rect kContentBounds;
+  MessageLoop message_loop_;
+};
+
+// Test that getting a fingerprint works on some basic level.
+IN_PROC_BROWSER_TEST_F(AutofillRiskFingerprintTest, GetFingerprint) {
+  TestingPrefServiceSimple prefs;
+  prefs.RegisterStringPref(prefs::kDefaultCharset, kCharset);
+  prefs.RegisterStringPref(prefs::kAcceptLanguages, kAcceptLanguages);
+
+  GetFingerprint(
+      kGaiaId, kWindowBounds, kContentBounds, prefs,
+      base::Bind(&AutofillRiskFingerprintTest::GetFingerprintTestCallback,
+                 base::Unretained(this)));
+
+  // Wait for the callback to be called.
+  message_loop_.Run();
+}
+
+}  // namespace risk
+}  // namespace autofill