Support content scheme uri for Chrome on Android

base/android/content_uri_utils_unittest.cc

+// Copyright 2014 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/android/content_uri_utils.h"
+#include "base/files/file_util.h"
+#include "base/path_service.h"
+#include "base/test/test_file_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+namespace android {
+
+TEST(ContentUriUtilsTest, ContentUriMimeTest) {
+  // Get the test image path.
+  FilePath data_dir;
+  ASSERT_TRUE(PathService::Get(DIR_TEST_DATA, &data_dir));
+  data_dir = data_dir.AppendASCII("file_util");
+  ASSERT_TRUE(PathExists(data_dir));
+  FilePath image_file = data_dir.Append(FILE_PATH_LITERAL("red.png"));
+
+  // Insert the image into MediaStore. MediaStore will do some conversions, and
+  // return the content URI.
+  FilePath path = base::InsertImageIntoMediaStore(image_file);
+  EXPECT_TRUE(path.IsContentUri());
+  EXPECT_TRUE(PathExists(path));
+
+  std::string mime = GetContentUriMimeType(path);
+  EXPECT_EQ(mime, std::string("image/png"));
+
+  FilePath invalid_path("content://foo.bar");
+  mime = GetContentUriMimeType(invalid_path);
+  EXPECT_TRUE(mime.empty());
+}
+
+}  // namespace android
+}  // namespace base