[Mac] Use the new {EXPECT,ASSERT}_NS{EQ,NE} macros where possible.

chrome/browser/cocoa/bug_report_window_controller_unittest.mm

Index: chrome/browser/cocoa/bug_report_window_controller_unittest.mm
diff --git a/chrome/browser/cocoa/bug_report_window_controller_unittest.mm b/chrome/browser/cocoa/bug_report_window_controller_unittest.mm
index 941327f6dbb3f1cc2a43ecdf93cdd3032c6a4ad7..cf8d3ac5d52ae007671fa6d10c9b7722d9a6cb44 100644
--- a/chrome/browser/cocoa/bug_report_window_controller_unittest.mm
+++ b/chrome/browser/cocoa/bug_report_window_controller_unittest.mm
@@ -10,6 +10,7 @@
 #include "chrome/browser/renderer_host/test/test_render_view_host.h"
 #include "chrome/browser/tab_contents/test_tab_contents.h"
 #include "chrome/browser/profile.h"
+#import "testing/gtest_mac.h"
 
 namespace {
 
@@ -39,8 +40,8 @@ TEST_F(BugReportWindowControllerUnittest, DISABLED_ReportBugWithNewTabPageOpen)
   EXPECT_FALSE([controller isPhishingReport]);
 
   // Make sure that the tab was correctly recorded.
-  EXPECT_TRUE([[controller pageURL] isEqualToString:@"chrome://newtab/"]);
-  EXPECT_TRUE([[controller pageTitle] isEqualToString:@"New Tab"]);
+  EXPECT_NSEQ(@"chrome://newtab/", [controller pageURL]);
+  EXPECT_NSEQ(@"New Tab", [controller pageTitle]);
 
   // When we call "report bug" with non-empty tab contents, all menu options
   // should be available, and we should send screenshot by default.