Don't ping for extension blacklist when no extensions are installed....

chrome/browser/extensions/extension_browsertests_misc.cc

Index: chrome/browser/extensions/extension_browsertests_misc.cc
===================================================================
--- chrome/browser/extensions/extension_browsertests_misc.cc	(revision 33298)
+++ chrome/browser/extensions/extension_browsertests_misc.cc	(working copy)
@@ -619,19 +619,23 @@
 // Tests that we can uninstall a disabled extension.
 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, UninstallDisabled) {
   // Install and upgrade, so that we have a disabled extension.
+  ExtensionsService* service = browser()->profile()->GetExtensionsService();
+  ASSERT_FALSE(service->HasInstalledExtensions());
   ASSERT_TRUE(InstallExtension(
       test_data_dir_.AppendASCII("permissions-low-v1.crx"), 1));
+  ASSERT_TRUE(service->HasInstalledExtensions());
   ASSERT_TRUE(UpdateExtension("pgdpcfcocojkjfbgpiianjngphoopgmo",
       test_data_dir_.AppendASCII("permissions-high-v2.crx"), -1));
 
-  ExtensionsService* service = browser()->profile()->GetExtensionsService();
   EXPECT_EQ(0u, service->extensions()->size());
   ASSERT_EQ(1u, service->disabled_extensions()->size());
+  ASSERT_TRUE(service->HasInstalledExtensions());
 
   // Now try uninstalling it.
   UninstallExtension(service->disabled_extensions()->at(0)->id());
   EXPECT_EQ(0u, service->extensions()->size());
   EXPECT_EQ(0u, service->disabled_extensions()->size());
+  ASSERT_FALSE(service->HasInstalledExtensions());
 }
 
 // Tests that disabling and re-enabling an extension works.
@@ -641,6 +645,7 @@
       browser()->profile()->GetExtensionProcessManager();
 
   // Load an extension, expect the toolstrip to be available.
+  ASSERT_FALSE(service->HasInstalledExtensions());
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("good").AppendASCII("Extensions")
                     .AppendASCII("bjafgdebaacbbbecmhlhpofkepfkgcpa")
@@ -648,18 +653,21 @@
   EXPECT_EQ(1u, service->extensions()->size());
   EXPECT_EQ(0u, service->disabled_extensions()->size());
   EXPECT_TRUE(FindHostWithPath(manager, "/toolstrip.html", 1));
+  ASSERT_TRUE(service->HasInstalledExtensions());
 
   // After disabling, the toolstrip should go away.
   service->DisableExtension("bjafgdebaacbbbecmhlhpofkepfkgcpa");
   EXPECT_EQ(0u, service->extensions()->size());
   EXPECT_EQ(1u, service->disabled_extensions()->size());
   EXPECT_FALSE(FindHostWithPath(manager, "/toolstrip.html", 0));
+  ASSERT_TRUE(service->HasInstalledExtensions());
 
   // And bring it back.
   service->EnableExtension("bjafgdebaacbbbecmhlhpofkepfkgcpa");
   EXPECT_EQ(1u, service->extensions()->size());
   EXPECT_EQ(0u, service->disabled_extensions()->size());
   EXPECT_TRUE(FindHostWithPath(manager, "/toolstrip.html", 1));
+  ASSERT_TRUE(service->HasInstalledExtensions());
 }
 
 // Helper function for common code shared by the 3 WindowOpen tests below.
@@ -803,9 +811,11 @@
                                      basedir.AppendASCII("v2.crx"));
 
   // Install version 1 of the extension.
+  ExtensionsService* service = browser()->profile()->GetExtensionsService();
+  ASSERT_FALSE(service->HasInstalledExtensions());
   ASSERT_TRUE(InstallExtension(basedir.AppendASCII("v1.crx"), 1));
-  ExtensionsService* service = browser()->profile()->GetExtensionsService();
   const ExtensionList* extensions = service->extensions();
+  ASSERT_TRUE(service->HasInstalledExtensions());
   ASSERT_EQ(1u, extensions->size());
   ASSERT_EQ("ogjcoiohnmldgjemafoockdghcjciccf", extensions->at(0)->id());
   ASSERT_EQ("1.0", extensions->at(0)->VersionString());