Add schema chrome-extension-resource:// for extension resources

chrome/common/extensions/extension_file_util_unittest.cc

Index: chrome/common/extensions/extension_file_util_unittest.cc
diff --git a/chrome/common/extensions/extension_file_util_unittest.cc b/chrome/common/extensions/extension_file_util_unittest.cc
index e2d10664a4cfed13f42c1449b1f8f0ea4a760224..eef0a63f8c0f3e03a6cbef04420154f411f8dc0e 100644
--- a/chrome/common/extensions/extension_file_util_unittest.cc
+++ b/chrome/common/extensions/extension_file_util_unittest.cc
@@ -215,9 +215,8 @@ TEST(ExtensionFileUtil, FailLoadingNonUTF8Scripts) {
                "It isn't UTF-8 encoded.", error.c_str());
 }
 
-#define URL_PREFIX "chrome-extension://extension-id/"
-
 TEST(ExtensionFileUtil, ExtensionURLToRelativeFilePath) {
+#define URL_PREFIX "chrome-extension://extension-id/"
   struct TestCase {
     const char* url;
     const char* expected_relative_path;
@@ -243,6 +242,7 @@ TEST(ExtensionFileUtil, ExtensionURLToRelativeFilePath) {
     { URL_PREFIX "\\\\foo\\simple.html",
       "foo/simple.html" },
   };
+#undef URL_PREFIX
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_cases); ++i) {
     GURL url(test_cases[i].url);
@@ -261,6 +261,72 @@ TEST(ExtensionFileUtil, ExtensionURLToRelativeFilePath) {
   }
 }
 
+TEST(ExtensionFileUtil, ExtensionResourceURLToFilePath) {
+  // Setup filesystem for testing.
+  FilePath root_path;
+  ASSERT_TRUE(file_util::CreateNewTempDirectory(
+        FILE_PATH_LITERAL(""), &root_path));
+  ASSERT_TRUE(file_util::AbsolutePath(&root_path));
+
+  FilePath api_path = root_path.Append(FILE_PATH_LITERAL("apiname"));
+  ASSERT_TRUE(file_util::CreateDirectory(api_path));
+
+  const char data[] = "Test Data";
+  FilePath resource_path = api_path.Append(FILE_PATH_LITERAL("test.js"));
+  ASSERT_TRUE(file_util::WriteFile(resource_path, data, sizeof(data)));
+  resource_path = api_path.Append(FILE_PATH_LITERAL("escape spaces.js"));
+  ASSERT_TRUE(file_util::WriteFile(resource_path, data, sizeof(data)));
+
+#ifdef FILE_PATH_USES_WIN_SEPARATORS
+#define SEP "\\"
+#else
+#define SEP "/"
+#endif
+#define URL_PREFIX "chrome-extension-resource://"
+  struct TestCase {
+    const char* url;
+    const FilePath::CharType* expected_path;
+  } test_cases[] = {
+    { URL_PREFIX "apiname/test.js",
+      FILE_PATH_LITERAL("test.js") },
+    { URL_PREFIX "/apiname/test.js",
+      FILE_PATH_LITERAL("test.js") },
+    // Test % escape
+    { URL_PREFIX "apiname/%74%65st.js",
+      FILE_PATH_LITERAL("test.js") },
+    { URL_PREFIX "apiname/escape%20spaces.js",
+      FILE_PATH_LITERAL("escape spaces.js") },
+    // Test file does not exist.
+    { URL_PREFIX "apiname/directory/to/file.js",
+      NULL },
+    // Test apiname/../../test.js
+    { URL_PREFIX "apiname/../../test.js",
+      FILE_PATH_LITERAL("test.js") },
+    { URL_PREFIX "apiname/..%2F../test.js",
+      NULL },
+    { URL_PREFIX "apiname/f/../../../test.js",
+      FILE_PATH_LITERAL("test.js") },
+    { URL_PREFIX "apiname/f%2F..%2F..%2F../test.js",
+      NULL },
+  };
+#undef SEP
+#undef URL_PREFIX
+
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_cases); ++i) {
+    GURL url(test_cases[i].url);
+    FilePath expected_path;
+    if (test_cases[i].expected_path)
+      expected_path = root_path.Append(FILE_PATH_LITERAL("apiname")).Append(
+          test_cases[i].expected_path);
+    FilePath actual_path =
+        extension_file_util::ExtensionResourceURLToFilePath(url, root_path);
+    EXPECT_EQ(expected_path.value(), actual_path.value()) <<
+      " For the path " << url;
+  }
+  // Remove temp files.
+  ASSERT_TRUE(file_util::Delete(root_path, true));
+}
+
 static scoped_refptr<Extension> LoadExtensionManifest(
     DictionaryValue* manifest,
     const FilePath& manifest_dir,