Rip out browser-side RID caching for most visited items.

chrome/browser/ui/search/instant_extended_interactive_uitest.cc

 // Copyright 2013 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 <sstream>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_base.h"
 #include "base/metrics/histogram_samples.h"
@@ skipping 1248 matching lines @@
                             "behavior = 1;"));
   ASSERT_TRUE(SetOmniboxTextAndWaitForOverlayToShow("exa"));
   EXPECT_EQ(ASCIIToUTF16("example.com"), omnibox()->GetText());
   SetOmniboxText("exam");
   EXPECT_EQ(ASCIIToUTF16("example.com"), omnibox()->GetText());
 
   // TODO(jered): Remove this after fixing OnBlur().
   omnibox()->RevertAll();
 }
 
-// TODO(dhollowa): Fix flakes.  http://crbug.com/179930.
-IN_PROC_BROWSER_TEST_F(InstantExtendedTest, DISABLED_MostVisited) {
+IN_PROC_BROWSER_TEST_F(InstantExtendedTest, MostVisited) {
   content::WindowedNotificationObserver observer(
       chrome::NOTIFICATION_INSTANT_SENT_MOST_VISITED_ITEMS,
       content::NotificationService::AllSources());
   // Initialize Instant.
   ASSERT_NO_FATAL_FAILURE(SetupInstant(browser()));
   FocusOmniboxAndWaitForInstantOverlayAndNTPSupport();
 
   // Get a handle to the NTP and the current state of the JS.
   ASSERT_NE(static_cast<InstantNTP*>(NULL), instant()->ntp());
   content::WebContents* overlay = instant()->ntp_->contents();
@@ skipping 1369 matching lines @@
 
 // Test that if the LogDropdownShown() call records a histogram value.
 IN_PROC_BROWSER_TEST_F(InstantExtendedTest, LogDropdownShown) {
   ASSERT_NO_FATAL_FAILURE(SetupInstant(browser()));
   FocusOmniboxAndWaitForInstantOverlayAndNTPSupport();
   int64 histogramValue = GetHistogramCount("Instant.TimeToFirstShowFromWeb");
   ASSERT_TRUE(SetOmniboxTextAndWaitForOverlayToShow("a"));
   EXPECT_EQ(histogramValue + 1,
             GetHistogramCount("Instant.TimeToFirstShowFromWeb"));
 }