Fix some case-insensitive cases for StartsWith

components/omnibox/search_suggestion_parser.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 "components/omnibox/search_suggestion_parser.h"
 
 #include <algorithm>
 
 #include "base/i18n/icu_string_conversions.h"
 #include "base/json/json_string_value_serializer.h"
@@ skipping 130 matching lines @@
         ACMatchClassification(0, ACMatchClassification::NONE));
     return;
   }
 
   base::string16 lookup_text = input_text;
   if (type_ == AutocompleteMatchType::SEARCH_SUGGEST_TAIL) {
     const size_t contents_index =
         suggestion_.length() - match_contents_.length();
     // Ensure the query starts with the input text, and ends with the match
     // contents, and the input text has an overlap with contents.
-    if (base::StartsWith(suggestion_, input_text, true) &&
+    if (base::StartsWith(suggestion_, input_text,
+                         base::CompareCase::SENSITIVE) &&
         base::EndsWith(suggestion_, match_contents_, true) &&
         (input_text.length() > contents_index)) {
       lookup_text = input_text.substr(contents_index);
     }
   }
   // Do a case-insensitive search for |lookup_text|.
   base::string16::const_iterator lookup_position = std::search(
       match_contents_.begin(), match_contents_.end(), lookup_text.begin(),
       lookup_text.end(), base::CaseInsensitiveCompare<base::char16>());
   if (!allow_bolding_all && (lookup_position == match_contents_.end())) {
@@ skipping 372 matching lines @@
           base::CollapseWhitespace(suggestion, false), match_type,
           base::CollapseWhitespace(match_contents, false),
           match_contents_prefix, annotation, answer_contents, answer_type_str,
           answer.Pass(), suggest_query_params, deletion_url, is_keyword_result,
           relevance, relevances != NULL, should_prefetch, trimmed_input));
     }
   }
   results->relevances_from_server = relevances != NULL;
   return true;
 }