Add some browser tests for net-internals

chrome/test/base/ui_test_utils.cc

Index: chrome/test/base/ui_test_utils.cc
===================================================================
--- chrome/test/base/ui_test_utils.cc	(revision 94917)
+++ chrome/test/base/ui_test_utils.cc	(working copy)
@@ -900,10 +900,13 @@
 }
 
 TitleWatcher::TitleWatcher(TabContents* tab_contents,
-                           const string16& expected_title)
+                           const string16& expected_title,
+                           const string16& failure_title)
     : expected_tab_(tab_contents),
       expected_title_(expected_title),
-      title_observed_(false),
+      failure_title_(failure_title),
+      expected_title_observed_(false),
+      failure_title_observed_(false),
       quit_loop_on_observation_(false) {
   EXPECT_TRUE(tab_contents != NULL);
   notification_registrar_.Add(this,
@@ -915,11 +918,13 @@
 }
 
 bool TitleWatcher::Wait() {
-  if (title_observed_)
+  if (expected_title_observed_)
     return true;
+  if (failure_title_observed_)
+    return false;
   quit_loop_on_observation_ = true;
   ui_test_utils::RunMessageLoop();
-  return title_observed_;
+  return expected_title_observed_ && !failure_title_observed_;
 }
 
 void TitleWatcher::Observe(int type,
@@ -930,10 +935,15 @@
 
   TabContents* source_contents = Source<TabContents>(source).ptr();
   ASSERT_EQ(expected_tab_, source_contents);
-  if (source_contents->GetTitle() != expected_title_)
+  if (source_contents->GetTitle() == expected_title_) {
+    expected_title_observed_ = true;
+  } else if (failure_title_.length() > 0 &&
+             source_contents->GetTitle() == failure_title_) {
+    failure_title_observed_ = true;
+  } else {
     return;
+  }
 
-  title_observed_ = true;
   if (quit_loop_on_observation_)
     MessageLoopForUI::current()->Quit();
 }