Disable SearchServerDoesntSupportInstant on mac.

chrome/browser/instant/instant_browsertest.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 "base/command_line.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete/autocomplete_edit_view.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_window.h"
@@ skipping 450 matching lines @@
   ASSERT_NE(new_tab, initial_tab);
   RenderWidgetHostView* new_rwhv =
       new_tab->tab_contents()->GetRenderWidgetHostView();
   ASSERT_TRUE(new_rwhv);
   ASSERT_NE(new_rwhv, rwhv);
   ASSERT_TRUE(new_rwhv->IsShowing());
 }
 
 // Makes sure that if the server doesn't support the instant API we don't show
 // anything.
-IN_PROC_BROWSER_TEST_F(InstantTest, SearchServerDoesntSupportInstant) {
+#if defined(OS_MACOSX)
+// Showing as flaky on Mac
+// http://crbug.com/70860
+#define MAYBE_SearchServerDoesntSupportInstant \
+    DISABLED_SearchServerDoesntSupportInstant
+#else
+#define MAYBE_SearchServerDoesntSupportInstant \
+    SearchServerDoesntSupportInstant
+#endif
+IN_PROC_BROWSER_TEST_F(InstantTest, MAYBE_SearchServerDoesntSupportInstant) {
   ASSERT_TRUE(test_server()->Start());
   ASSERT_NO_FATAL_FAILURE(SetupInstantProvider("empty.html"));
   ASSERT_NO_FATAL_FAILURE(FindLocationBar());
   location_bar_->location_entry()->SetUserText(ASCIIToUTF16("a"));
   ASSERT_TRUE(browser()->instant());
   // Because we typed in a search string we should think we're showing instant
   // results.
   EXPECT_TRUE(browser()->instant()->IsShowingInstant());
   // But because we're waiting to determine if the page really supports instant
   // we shouldn't be showing the preview.
@@ skipping 187 matching lines @@
   // Check that the preview contents have been committed.
   ASSERT_FALSE(browser()->instant()->GetPreviewContents());
   ASSERT_FALSE(browser()->instant()->is_active());
   TabContents* contents = browser()->GetSelectedTabContents();
   ASSERT_TRUE(contents);
 
   // Check that the value is reflected and onsubmit is called.
   EXPECT_EQ("true 1 0 2 2 a false abcdef true 6 6",
       GetSearchStateAsString(preview_));
 }