Unrevert 58354, reland PPAPI with the instance test disabled.

chrome/test/ui/ppapi_uitest.cc

 // Copyright (c) 2010 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 "base/file_util.h"
 #include "base/path_service.h"
 #include "build/build_config.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/ui/ui_test.h"
@@ skipping 69 matching lines @@
     scoped_refptr<TabProxy> tab(GetActiveTab());
     ASSERT_TRUE(tab.get());
     ASSERT_TRUE(tab->NavigateToURL(test_url));
     std::string escaped_value =
         WaitUntilCookieNonEmpty(tab.get(), test_url,
             "COMPLETION_COOKIE", action_max_timeout_ms());
     EXPECT_STREQ("PASS", escaped_value.c_str());
   }
 };
 
+TEST_F(PPAPITest, FAILS_Instance) {
+  RunTest("Instance");
+}
+
 // http://crbug.com/54150
 TEST_F(PPAPITest, FLAKY_Graphics2D) {
   RunTest("Graphics2D");
 }
 
 // TODO(brettw) bug 51344: this is flaky on bots. Seems to timeout navigating.
 // Possibly all the image allocations slow things down on a loaded bot too much.
 TEST_F(PPAPITest, FLAKY_ImageData) {
   RunTest("ImageData");
 }
@@ skipping 21 matching lines @@
   RunTest("Scrollbar");
 }
 
 TEST_F(PPAPITest, UrlUtil) {
   RunTest("UrlUtil");
 }
 
 TEST_F(PPAPITest, CharSet) {
   RunTest("CharSet");
 }