Rebuild test history databases when starting up performance_ui_tests.

chrome/test/perf/perf_ui_test_suite.cc

Index: chrome/test/perf/perf_ui_test_suite.cc
diff --git a/chrome/test/perf/perf_ui_test_suite.cc b/chrome/test/perf/perf_ui_test_suite.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d1aed336eada344a1d53ae7269337da45f9cfb55
--- /dev/null
+++ b/chrome/test/perf/perf_ui_test_suite.cc
@@ -0,0 +1,182 @@
+// Copyright (c) 2013 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/test/perf/perf_ui_test_suite.h"
+
+#include "base/file_util.h"
+#include "base/json/json_file_value_serializer.h"
+#include "base/lazy_instance.h"
+#include "base/logging.h"
+#include "base/message_loop.h"
+#include "base/path_service.h"
+#include "base/string_util.h"
+#include "base/threading/platform_thread.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/themes/browser_theme_pack.h"
+#include "chrome/common/chrome_paths.h"
+#include "chrome/common/extensions/extension.h"
+#include "chrome/test/perf/generate_profile.h"
+#include "content/public/test/test_browser_thread.h"
+
+using content::BrowserThread;
+using extensions::Extension;
+
+namespace {
+
+const int kNumURLs = 20000;
+
+const char kThemeExtension[] = "mblmlcbknbnfebdfjnolmcapmdofhmme";
+
+base::LazyInstance<base::FilePath> g_default_profile_dir =
+    LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<base::FilePath> g_complex_profile_dir =
+    LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
+PerfUITestSuite::PerfUITestSuite(int argc, char** argv)
+    : UITestSuite(argc, argv) {
+}
+
+PerfUITestSuite::~PerfUITestSuite() {
+}
+
+base::FilePath PerfUITestSuite::GetPathForProfileType(
+    ProfileType profile_type) {
+  switch (profile_type) {
+    case DEFAULT_THEME:
+      return g_default_profile_dir.Get();
+    case COMPLEX_THEME:
+      return g_complex_profile_dir.Get();
+    default:
+      NOTREACHED();
+      return base::FilePath();
+  }
+}
+
+void PerfUITestSuite::Initialize() {
+  // We do normal initialization afterwards because we want

[Randy Smith (Not in Mondays), 2013/04/30 21:27:36]

nit: Dangling sentence?

+  UITestSuite::Initialize();
+
+  if (!default_profile_dir_.CreateUniqueTempDir()) {
+    LOG(FATAL) << "Failed to create default profile directory...";
+  }
+
+  // Build a profile in default profile dir.
+  base::FilePath default_path =
+      default_profile_dir_.path().AppendASCII("Default");
+  if (!GenerateProfile(TOP_SITES, kNumURLs, default_path)) {
+    LOG(FATAL) << "Failed to generate default profile for tests...";
+  }
+
+  g_default_profile_dir.Get() = default_profile_dir_.path();
+
+  if (!complex_profile_dir_.CreateUniqueTempDir()) {
+    LOG(FATAL) << "Failed to create complex profile directory...";
+  }
+
+  if (!file_util::CopyDirectory(default_path,
+                                complex_profile_dir_.path(),
+                                true)) {
+    LOG(FATAL) << "Failed to copy data to complex profile directory...";
+  }
+
+  base::FilePath complex_profile_default_dir =
+      complex_profile_dir_.path().AppendASCII("Default");
+
+  // Copy the Extensions directory from the template into the
+  // complex_profile_dir dir.
+  base::FilePath base_data_dir;
+  if (!PathService::Get(chrome::DIR_TEST_DATA, &base_data_dir))
+    LOG(FATAL) << "Failed to fetch test data dir";
+
+  base_data_dir = base_data_dir.AppendASCII("profiles");
+  base_data_dir = base_data_dir.AppendASCII("profile_with_complex_theme");
+  base_data_dir = base_data_dir.AppendASCII("Default");
+
+  base::FilePath extensions_dir = base_data_dir.AppendASCII("Extensions");
+
+  if (!file_util::CopyDirectory(extensions_dir,
+                                complex_profile_default_dir,
+                                true)) {
+    LOG(FATAL) << "Failed to copy Extensions from complex profile template";
+  }
+
+  // Parse the manifest and make a temporary extension object because the
+  // theme system takes extensions as input.
+  base::FilePath extension_base =
+      complex_profile_default_dir.AppendASCII("Extensions")
+      .AppendASCII(kThemeExtension)
+      .AppendASCII("1.1");
+  BuildCachedThemePakIn(extension_base);
+
+  ExpandTemplate(base_data_dir, complex_profile_default_dir);
+
+  g_complex_profile_dir.Get() = complex_profile_dir_.path();
+}
+
+void PerfUITestSuite::BuildCachedThemePakIn(
+    const base::FilePath& extension_base) {
+  int error_code = 0;
+  std::string error;
+  JSONFileValueSerializer serializer(
+      extension_base.AppendASCII("manifest.json"));
+  scoped_ptr<DictionaryValue> valid_value(static_cast<DictionaryValue*>(
+      serializer.Deserialize(&error_code, &error)));
+  if (error_code != 0 || !valid_value)
+    LOG(FATAL) << "Error parsing theme manifest: " << error;
+
+  scoped_refptr<Extension> extension =
+      Extension::Create(extension_base,
+                        extensions::Manifest::INVALID_LOCATION,
+                        *valid_value,
+                        Extension::NO_FLAGS,
+                        &error);
+  if (!extension)
+    LOG(FATAL) << "Error loading theme extension: " << error;
+
+  // Build the "Cached Theme.pak" file in the template. (It's not committed
+  // both because committing large binary files is bad in a git world and
+  // because people don't remember to update it anyway, meaning we usually
+  // have the theme rebuild penalty in our data.)
+  MessageLoopForUI message_loop_;
+  content::TestBrowserThread ui_thread_(BrowserThread::UI, &message_loop_);
+  content::TestBrowserThread file_thread_(BrowserThread::FILE,
+                                          &message_loop_);
+
+  scoped_refptr<BrowserThemePack> theme(
+      BrowserThemePack::BuildFromExtension(extension));
+  if (!theme)
+    LOG(FATAL) << "Failed to load theme from extension";
+
+  theme->WriteToDisk(extension_base.AppendASCII("Cached Theme.pak"));
+}
+
+void PerfUITestSuite::ExpandTemplate(
+    const base::FilePath& base_data_dir,
+    const base::FilePath& complex_profile_default_dir) {
+  std::string contents;
+  if (!file_util::ReadFileToString(
+          base_data_dir.AppendASCII("PreferencesTemplate"),
+          &contents)) {
+    LOG(FATAL) << "Failed to read preferences template";
+  }
+
+  std::string path;
+#if defined(OS_WIN)
+  path = UTF16ToUTF8(complex_profile_dir_.path().value());
+#else
+  path = complex_profile_dir_.path().value();
+#endif
+
+  std::vector<std::string> subst;
+  subst.push_back(path);
+  std::string expanded = ReplaceStringPlaceholders(contents, subst, NULL);
+
+  if (file_util::WriteFile(
+          complex_profile_default_dir.AppendASCII("Preferences"),
+          expanded.c_str(), expanded.size()) == -1) {
+    LOG(FATAL) << "Failed to write preferences file to profile with theme";
+  }
+}