[Most Visited] Check for Sync state when using SuggestionsService.

chrome/browser/search/suggestions/suggestions_source.cc

 // Copyright 2014 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 "chrome/browser/search/suggestions/suggestions_source.h"
 
 #include <vector>
 
 #include "base/barrier_closure.h"
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/suggestions/suggestions_service_factory.h"
 #include "chrome/common/url_constants.h"
 #include "components/suggestions/suggestions_service.h"
+#include "components/suggestions/suggestions_utils.h"
 #include "net/base/escape.h"
 #include "ui/base/l10n/time_format.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/image/image_skia.h"
 #include "url/gurl.h"
 
 namespace suggestions {
 
 namespace {
 
@@ skipping 85 matching lines @@
       SuggestionsServiceFactory::GetInstance();
 
   SuggestionsService* suggestions_service(
       suggestions_service_factory->GetForProfile(profile_));
 
   if (!suggestions_service) {
     callback.Run(NULL);
     return;
   }
 
+  // Since it's a debugging page, it's fine to specify that sync state is
+  // initialized.
   suggestions_service->FetchSuggestionsData(
+      INITIALIZED_ENABLED_HISTORY,
       base::Bind(&SuggestionsSource::OnSuggestionsAvailable,
                  weak_ptr_factory_.GetWeakPtr(), callback));
 }
 
 std::string SuggestionsSource::GetMimeType(const std::string& path) const {
   return "text/html";
 }
 
 base::MessageLoop* SuggestionsSource::MessageLoopForRequestPath(
     const std::string& path) const {
@@ skipping 49 matching lines @@
     std::string encoded_output;
     base::Base64Encode(std::string(output.begin(), output.end()),
                        &encoded_output);
     context->base64_encoded_pngs[url] = "data:image/png;base64,";
     context->base64_encoded_pngs[url] += encoded_output;
   }
   barrier.Run();
 }
 
 }  // namespace suggestions