Create PluginMetricsProvider class.

chrome/browser/metrics/plugin_metrics_provider_unittest.cc

Index: chrome/browser/metrics/plugin_metrics_provider_unittest.cc
===================================================================
--- chrome/browser/metrics/plugin_metrics_provider_unittest.cc	(revision 0)
+++ chrome/browser/metrics/plugin_metrics_provider_unittest.cc	(working copy)
@@ -0,0 +1,100 @@
+// 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/metrics/plugin_metrics_provider.h"
+
+#include <string>
+#include <vector>
+
+#include "base/base64.h"
+#include "base/basictypes.h"
+#include "base/files/file_path.h"
+#include "base/port.h"
+#include "base/prefs/pref_service.h"
+#include "base/prefs/scoped_user_pref_update.h"
+#include "base/prefs/testing_pref_service.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/time/time.h"
+#include "chrome/common/pref_names.h"
+#include "components/metrics/proto/system_profile.pb.h"
+#include "content/public/common/webplugininfo.h"
+#include "content/public/test/test_browser_thread_bundle.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+content::WebPluginInfo CreateFakePluginInfo(
+    const std::string& name,
+    const base::FilePath::CharType* path,
+    const std::string& version,
+    bool is_pepper) {
+  content::WebPluginInfo plugin(base::UTF8ToUTF16(name),
+                                base::FilePath(path),
+                                base::UTF8ToUTF16(version),
+                                base::string16());
+  if (is_pepper)
+    plugin.type = content::WebPluginInfo::PLUGIN_TYPE_PEPPER_IN_PROCESS;
+  else
+    plugin.type = content::WebPluginInfo::PLUGIN_TYPE_NPAPI;
+  return plugin;
+}
+
+}  // namespace
+
+TEST(PluginMetricsProviderTest, Plugins) {
+  content::TestBrowserThreadBundle thread_bundle;
+
+  TestingPrefServiceSimple prefs;
+  PluginMetricsProvider::RegisterPrefs(prefs.registry());
+  PluginMetricsProvider provider(&prefs);
+
+  std::vector<content::WebPluginInfo> plugins;
+  plugins.push_back(CreateFakePluginInfo("p1", FILE_PATH_LITERAL("p1.plugin"),
+                                         "1.5", true));
+  plugins.push_back(CreateFakePluginInfo("p2", FILE_PATH_LITERAL("p2.plugin"),
+                                         "2.0", false));
+  provider.SetPluginsForTesting(plugins);
+
+  metrics::SystemProfileProto system_profile;
+  provider.ProvideSystemProfileMetrics(&system_profile);
+
+  ASSERT_EQ(2, system_profile.plugin_size());
+  EXPECT_EQ("p1", system_profile.plugin(0).name());
+  EXPECT_EQ("p1.plugin", system_profile.plugin(0).filename());
+  EXPECT_EQ("1.5", system_profile.plugin(0).version());
+  EXPECT_TRUE(system_profile.plugin(0).is_pepper());
+  EXPECT_EQ("p2", system_profile.plugin(1).name());
+  EXPECT_EQ("p2.plugin", system_profile.plugin(1).filename());
+  EXPECT_EQ("2.0", system_profile.plugin(1).version());
+  EXPECT_FALSE(system_profile.plugin(1).is_pepper());
+
+  // Now set some plugin stability stats for p2 and verify they're recorded.
+  scoped_ptr<base::DictionaryValue> plugin_dict(new base::DictionaryValue);
+  plugin_dict->SetString(prefs::kStabilityPluginName, "p2");
+  plugin_dict->SetInteger(prefs::kStabilityPluginLaunches, 1);
+  plugin_dict->SetInteger(prefs::kStabilityPluginCrashes, 2);
+  plugin_dict->SetInteger(prefs::kStabilityPluginInstances, 3);
+  plugin_dict->SetInteger(prefs::kStabilityPluginLoadingErrors, 4);
+  {
+    ListPrefUpdate update(&prefs, prefs::kStabilityPluginStats);
+    update.Get()->Append(plugin_dict.release());
+  }
+
+  provider.ProvideStabilityMetrics(&system_profile);
+
+  const metrics::SystemProfileProto_Stability& stability =
+      system_profile.stability();
+  ASSERT_EQ(1, stability.plugin_stability_size());
+  EXPECT_EQ("p2", stability.plugin_stability(0).plugin().name());
+  EXPECT_EQ("p2.plugin", stability.plugin_stability(0).plugin().filename());
+  EXPECT_EQ("2.0", stability.plugin_stability(0).plugin().version());
+  EXPECT_FALSE(stability.plugin_stability(0).plugin().is_pepper());
+  EXPECT_EQ(1, stability.plugin_stability(0).launch_count());
+  EXPECT_EQ(2, stability.plugin_stability(0).crash_count());
+  EXPECT_EQ(3, stability.plugin_stability(0).instance_count());
+  EXPECT_EQ(4, stability.plugin_stability(0).loading_error_count());
+}