[Sync] Added some basic extension sync integration tests.

chrome/test/live_sync/live_themes_sync_test.cc

Index: chrome/test/live_sync/live_themes_sync_test.cc
diff --git a/chrome/test/live_sync/live_themes_sync_test.cc b/chrome/test/live_sync/live_themes_sync_test.cc
index c9a5258d5be38a8ef4de25ddc083c4088e81c996..a92d8982691632bf8a169065165d42675ea1249c 100644
--- a/chrome/test/live_sync/live_themes_sync_test.cc
+++ b/chrome/test/live_sync/live_themes_sync_test.cc
@@ -6,86 +6,21 @@
 
 #include <string>
 
-#include "base/file_path.h"
-#include "base/file_util.h"
 #include "base/logging.h"
-#include "base/ref_counted.h"
-#include "base/string_number_conversions.h"
-#include "base/values.h"
 #include "chrome/browser/extensions/extensions_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/themes/browser_theme_provider.h"
 #include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_constants.h"
 
 LiveThemesSyncTest::LiveThemesSyncTest(TestType test_type)
-    : LiveSyncTest(test_type) {}
+    : LiveExtensionsSyncTestBase(test_type) {}
 
 LiveThemesSyncTest::~LiveThemesSyncTest() {}
 
-namespace {
-
-scoped_refptr<Extension> MakeTheme(const ScopedTempDir& scoped_temp_dir,
-                                   int index) {
-  DictionaryValue source;
-  source.SetString(
-      extension_manifest_keys::kName,
-      std::string("ThemeExtension") + base::IntToString(index));
-  source.SetString(extension_manifest_keys::kVersion, "0.0.0.0");
-  source.Set(extension_manifest_keys::kTheme, new DictionaryValue());
-  FilePath theme_dir;
-  if (!file_util::CreateTemporaryDirInDir(scoped_temp_dir.path(),
-                                          FILE_PATH_LITERAL("faketheme"),
-                                          &theme_dir)) {
-    return NULL;
-  }
-  std::string error;
-  scoped_refptr<Extension> extension =
-      Extension::Create(theme_dir,
-                        Extension::INTERNAL, source, false, &error);
-  if (!error.empty()) {
-    LOG(WARNING) << error;
-    return NULL;
-  }
-  return extension;
-}
-
-}  // namespace
-
-bool LiveThemesSyncTest::SetupClients() {
-  if (!LiveSyncTest::SetupClients())
-    return false;
-
-  for (int i = 0; i < num_clients(); ++i) {
-    GetProfile(i)->InitExtensions();
-  }
-  verifier()->InitExtensions();
-
-  if (!theme_dir_.CreateUniqueTempDir())
-    return false;
-
-  for (int i = 0; i < num_clients(); ++i) {
-    scoped_refptr<Extension> theme = MakeTheme(theme_dir_, i);
-    if (!theme.get())
-      return false;
-    themes_.push_back(theme);
-  }
-
-  return true;
-}
-
-scoped_refptr<Extension> LiveThemesSyncTest::GetTheme(int index) {
-  CHECK_GE(index, 0);
-  CHECK_LT(index, static_cast<int>(themes_.size()));
-  return themes_[index];
-}
-
 void LiveThemesSyncTest::SetTheme(
     Profile* profile, scoped_refptr<Extension> theme) {
-  CHECK(profile);
-  CHECK(theme.get());
   CHECK(theme->is_theme());
-  profile->GetExtensionsService()->OnExtensionInstalled(theme, true);
+  InstallExtension(profile, theme);
 }
 
 const Extension* LiveThemesSyncTest::GetCustomTheme(