Cleanup: Better constify some strings in chrome/browser/{chromeos,extensions}.

chrome/browser/chromeos/drive/search_metadata_unittest.cc

 // Copyright (c) 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 "chrome/browser/chromeos/drive/search_metadata.h"
 
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/i18n/string_search.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 103 matching lines @@
         local_id, temp_file_md5, temp_file, FileCache::FILE_OPERATION_COPY));
 
     // drive/root/Document 1 excludeDir-test
     entry = GetFileEntry(
         "Document 1 excludeDir-test", "doc1", 8, root_local_id);
     entry.mutable_file_specific_info()->set_is_hosted_document(true);
     entry.mutable_file_specific_info()->set_document_extension(".gdoc");
     entry.mutable_file_specific_info()->set_content_mime_type(
         drive::util::kGoogleDocumentMimeType);
     EXPECT_EQ(FILE_ERROR_OK, resource_metadata_->AddEntry(entry, &local_id));
-
   }
 
   ResourceEntry GetFileEntry(const std::string& name,
                              const std::string& resource_id,
                              int64 last_accessed,
                              const std::string& parent_local_id) {
     ResourceEntry entry;
     entry.set_title(name);
     entry.set_resource_id(resource_id);
     entry.set_parent_local_id(parent_local_id);
@@ skipping 240 matching lines @@
   EXPECT_EQ(FILE_ERROR_OK, error);
   ASSERT_TRUE(result);
   ASSERT_EQ(1U, result->size());
 
   EXPECT_EQ("drive/root/Document 1 excludeDir-test.gdoc",
             result->at(0).path.AsUTF8Unsafe());
 }
 
 // "drive", "drive/root", "drive/other" should be excluded.
 TEST_F(SearchMetadataTest, SearchMetadata_ExcludeSpecialDirectories) {
-  const char* kQueries[] = { "drive", "root", "other" };
+  const char* const kQueries[] = { "drive", "root", "other" };
   for (size_t i = 0; i < arraysize(kQueries); ++i) {
     FileError error = FILE_ERROR_FAILED;
     scoped_ptr<MetadataSearchResultVector> result;
 
     const std::string query = kQueries[i];
     SearchMetadata(base::MessageLoopProxy::current(),
                    resource_metadata_.get(),
                    query,
                    SEARCH_METADATA_ALL,
                    kDefaultAtMostNumMatches,
@@ skipping 123 matching lines @@
 }
 
 TEST(SearchMetadataSimpleTest, FindAndHighlight_MoreMetaChars) {
   std::string highlighted_text;
   EXPECT_TRUE(FindAndHighlightWrapper("a&b&c&d", "b&c", &highlighted_text));
   EXPECT_EQ("a&amp;<b>b&amp;c</b>&amp;d", highlighted_text);
 }
 
 }  // namespace internal
 }  // namespace drive