Port 2 more unittests to linux/mac. Just some small compiler warnings.

chrome/browser/find_backend_unittest.cc

 // Copyright (c) 2009 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/renderer_host/test_render_view_host.h"
 #include "chrome/common/url_constants.h"
 
 typedef RenderViewHostTestHarness FindBackendTest;
 
 // This test takes two TabContents objects, searches in both of them and
 // tests the internal state for find_text and find_prepopulate_text.
 TEST_F(FindBackendTest, InternalState) {
   // Initial state for the TabContents is blank strings.
   EXPECT_EQ(string16(), contents()->find_prepopulate_text());
   EXPECT_EQ(string16(), contents()->find_text());
 
   // Get another TabContents object ready.
   TestTabContents contents2(profile_.get(), NULL);
 
   // No search has still been issued, strings should be blank.
   EXPECT_EQ(string16(), contents()->find_prepopulate_text());
   EXPECT_EQ(string16(), contents()->find_text());
   EXPECT_EQ(string16(), contents2.find_prepopulate_text());
   EXPECT_EQ(string16(), contents2.find_text());
 
-  string16 search_term1 = L" I had a 401K    ";
-  string16 search_term2 = L" but the economy ";
-  string16 search_term3 = L" eated it.       ";
+  string16 search_term1 = ASCIIToUTF16(" I had a 401K    ");
+  string16 search_term2 = ASCIIToUTF16(" but the economy ");
+  string16 search_term3 = ASCIIToUTF16(" eated it.       ");
 
   // Start searching in the first TabContents, searching forwards but not case
   // sensitive (as indicated by the last two params).
   contents()->StartFinding(search_term1, true, false);
 
   // Pre-populate string should always match between the two, but find_text
   // should not.
   EXPECT_EQ(search_term1, contents()->find_prepopulate_text());
   EXPECT_EQ(search_term1, contents()->find_text());
   EXPECT_EQ(search_term1, contents2.find_prepopulate_text());
@@ skipping 14 matching lines @@
   // sensitive (as indicated by the last two params).
   contents()->StartFinding(search_term3, true, false);
 
   // Once more, pre-populate string should always match between the two, but
   // find_text should not.
   EXPECT_EQ(search_term3, contents()->find_prepopulate_text());
   EXPECT_EQ(search_term3, contents()->find_text());
   EXPECT_EQ(search_term3, contents2.find_prepopulate_text());
   EXPECT_EQ(search_term2, contents2.find_text());
 }