Don't delete npapi plugins copied into <(PRODUCT_DIR)/plugins

chrome/test/ui/npapi_test_helper.cc

Index: chrome/test/ui/npapi_test_helper.cc
diff --git a/chrome/test/ui/npapi_test_helper.cc b/chrome/test/ui/npapi_test_helper.cc
index 2bf6f1043f4dee0358805520666159e6430c09c5..142539c461f5bfe1fbfd0e7c6b488155ad1e328c 100644
--- a/chrome/test/ui/npapi_test_helper.cc
+++ b/chrome/test/ui/npapi_test_helper.cc
@@ -37,6 +37,8 @@ NPAPITesterBase::NPAPITesterBase(const std::string& test_plugin_name)
 void NPAPITesterBase::SetUp() {
   // We need to copy our test-plugin into the plugins directory so that
   // the browser can load it.
+  // TODO(tc): We should copy the plugins as a build step, not during
+  // the tests.  Then we don't have to clean up after the copy in the test.
   FilePath plugins_directory = GetPluginsDirectory();
   FilePath plugin_src = browser_directory_.AppendASCII(test_plugin_name_);
   ASSERT_TRUE(file_util::PathExists(plugin_src));
@@ -60,7 +62,6 @@ void NPAPITesterBase::TearDown() {
   // Tear down the UI test first so that the browser stops using the plugin
   // files.
   UITest::TearDown();
-  EXPECT_TRUE(file_util::DieFileDie(test_plugin_path_, true));
 }
 
 FilePath NPAPITesterBase::GetPluginsDirectory() {
@@ -91,9 +92,6 @@ void NPAPITester::TearDown() {
   // Tear down the base class first so that the browser stops using the plugin
   // files.
   NPAPITesterBase::TearDown();
-#if defined(OS_MACOSX)
-  EXPECT_TRUE(file_util::DieFileDie(layout_plugin_path_, true));
-#endif  // OS_MACOSX
 }
 
 // NPAPIVisiblePluginTester members.