Disable flaky WebViewTest.Shim on Windows.

chrome/browser/extensions/web_view_browsertest.cc

Index: chrome/browser/extensions/web_view_browsertest.cc
diff --git a/chrome/browser/extensions/web_view_browsertest.cc b/chrome/browser/extensions/web_view_browsertest.cc
index b3480af87a9f005b53800d5744ac56fbbff5fe26..3a13e2f45edbd6844da45ae07d076ddd4651df31 100644
--- a/chrome/browser/extensions/web_view_browsertest.cc
+++ b/chrome/browser/extensions/web_view_browsertest.cc
@@ -242,7 +242,13 @@ class WebViewTest : public extensions::PlatformAppBrowserTest {
       fake_speech_recognition_manager_;
 };
 
-IN_PROC_BROWSER_TEST_F(WebViewTest, Shim) {
+// http://crbug.com/176122: This test is flaky on Windows.
+#if defined(OS_WIN)
+#define MAYBE_Shim DISABLED_Shim
+#else
+#define MAYBE_Shim Shim
+#endif
+IN_PROC_BROWSER_TEST_F(WebViewTest, MAYBE_Shim) {
   ASSERT_TRUE(RunPlatformAppTest("platform_apps/web_view/shim")) << message_;
 }