Update from https://crrev.com/320931

base/path_service_unittest.cc

 // Copyright (c) 2012 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 "base/path_service.h"
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 202 matching lines @@
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   EXPECT_TRUE(PathService::Override(base::DIR_TEMP, temp_dir.path()));
   base::FilePath new_user_data_dir;
   EXPECT_TRUE(PathService::Get(base::DIR_TEMP, &new_user_data_dir));
   EXPECT_NE(original_user_data_dir, new_user_data_dir);
 
   EXPECT_TRUE(PathService::RemoveOverride(base::DIR_TEMP));
   EXPECT_TRUE(PathService::Get(base::DIR_TEMP, &new_user_data_dir));
   EXPECT_EQ(original_user_data_dir, new_user_data_dir);
 }
+
+#if defined(OS_WIN)
+TEST_F(PathServiceTest, GetProgramFiles) {
+  base::FilePath programfiles_dir;
+#if defined(_WIN64)
+  // 64-bit on 64-bit.
+  EXPECT_TRUE(PathService::Get(base::DIR_PROGRAM_FILES,
+      &programfiles_dir));
+  EXPECT_EQ(programfiles_dir.value(),
+      FILE_PATH_LITERAL("C:\\Program Files"));
+  EXPECT_TRUE(PathService::Get(base::DIR_PROGRAM_FILESX86,
+      &programfiles_dir));
+  EXPECT_EQ(programfiles_dir.value(),
+      FILE_PATH_LITERAL("C:\\Program Files (x86)"));
+  EXPECT_TRUE(PathService::Get(base::DIR_PROGRAM_FILES6432,
+      &programfiles_dir));
+  EXPECT_EQ(programfiles_dir.value(),
+      FILE_PATH_LITERAL("C:\\Program Files"));
+#else
+  if (base::win::OSInfo::GetInstance()->wow64_status() ==
+      base::win::OSInfo::WOW64_ENABLED) {
+    // 32-bit on 64-bit.
+    EXPECT_TRUE(PathService::Get(base::DIR_PROGRAM_FILES,
+        &programfiles_dir));
+    EXPECT_EQ(programfiles_dir.value(),
+        FILE_PATH_LITERAL("C:\\Program Files (x86)"));
+    EXPECT_TRUE(PathService::Get(base::DIR_PROGRAM_FILESX86,
+        &programfiles_dir));
+    EXPECT_EQ(programfiles_dir.value(),
+        FILE_PATH_LITERAL("C:\\Program Files (x86)"));
+    EXPECT_TRUE(PathService::Get(base::DIR_PROGRAM_FILES6432,
+        &programfiles_dir));
+    EXPECT_EQ(programfiles_dir.value(),
+        FILE_PATH_LITERAL("C:\\Program Files"));
+  } else {
+    // 32-bit on 32-bit.
+    EXPECT_TRUE(PathService::Get(base::DIR_PROGRAM_FILES,
+        &programfiles_dir));
+    EXPECT_EQ(programfiles_dir.value(),
+        FILE_PATH_LITERAL("C:\\Program Files"));
+    EXPECT_TRUE(PathService::Get(base::DIR_PROGRAM_FILESX86,
+        &programfiles_dir));
+    EXPECT_EQ(programfiles_dir.value(),
+        FILE_PATH_LITERAL("C:\\Program Files"));
+    EXPECT_TRUE(PathService::Get(base::DIR_PROGRAM_FILES6432,
+        &programfiles_dir));
+    EXPECT_EQ(programfiles_dir.value(),
+        FILE_PATH_LITERAL("C:\\Program Files"));
+  }
+#endif
+}
+#endif