BlockedPopupTest is flaky.

chrome/test/automation/automation_proxy_uitest.cc

 // Copyright (c) 2011 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 <string>
 
 #include "app/app_switches.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
@@ skipping 620 matching lines @@
   std::wstring jscript2 = CreateJSStringForDOMQuery(L"myspan");
   ASSERT_TRUE(tab->ExecuteAndExtractString(xpath2, jscript2, &actual));
   ASSERT_EQ(L"SPAN", actual);
 
   std::wstring xpath3 = L"/html/body/iframe\n/html/body/iframe";
   std::wstring jscript3 = CreateJSStringForDOMQuery(L"mydiv");
   ASSERT_TRUE(tab->ExecuteAndExtractString(xpath3, jscript3, &actual));
   ASSERT_EQ(L"DIV", actual);
 }
 
-TEST_F(AutomationProxyTest, BlockedPopupTest) {
+// Flaky, http://crbug.com/70937
+TEST_F(AutomationProxyTest, FLAKY_BlockedPopupTest) {
   scoped_refptr<BrowserProxy> window(automation()->GetBrowserWindow(0));
   ASSERT_TRUE(window.get());
 
   scoped_refptr<TabProxy> tab(window->GetTab(0));
   ASSERT_TRUE(tab.get());
 
   FilePath filename(test_data_directory_);
   filename = filename.AppendASCII("constrained_files");
   filename = filename.AppendASCII("constrained_window.html");
 
@@ skipping 1097 matching lines @@
   int diff_pixels_count = 0;
   for (int x = 0; x < img_size.width(); ++x) {
     for (int y = 0; y < img_size.height(); ++y) {
       if (*snapshot_bmp.getAddr32(x, y) != *reference_bmp.getAddr32(x, y)) {
         ++diff_pixels_count;
       }
     }
   }
   ASSERT_EQ(diff_pixels_count, 0);
 }