Add a Content API around BrowserURLHandler.

content/browser/browser_url_handler_unittest.cc

-// Copyright (c) 2011 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 "content/browser/browser_url_handler.h"
-#include "content/test/test_browser_context.h"
-#include "googleurl/src/gurl.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-class BrowserURLHandlerTest : public testing::Test {
-};
-
-// Test URL rewriter that rewrites all "foo://" URLs to "bar://bar".
-static bool FooRewriter(GURL* url, content::BrowserContext* browser_context) {
-  if (url->scheme() == "foo") {
-    *url = GURL("bar://bar");
-    return true;
-  }
-  return false;
-}
-
-// Test URL rewriter that rewrites all "bar://" URLs to "foo://foo".
-static bool BarRewriter(GURL* url, content::BrowserContext* browser_context) {
-  if (url->scheme() == "bar") {
-    *url = GURL("foo://foo");
-    return true;
-  }
-  return false;
-}
-
-TEST_F(BrowserURLHandlerTest, BasicRewriteAndReverse) {
-  TestBrowserContext browser_context;
-  BrowserURLHandler handler;
-
-  handler.AddHandlerPair(FooRewriter, BarRewriter);
-
-  GURL url("foo://bar");
-  GURL original_url(url);
-  bool reverse_on_redirect = false;
-  handler.RewriteURLIfNecessary(&url, &browser_context, &reverse_on_redirect);
-  ASSERT_TRUE(reverse_on_redirect);
-  ASSERT_EQ("bar://bar", url.spec());
-
-  // Check that reversing the URL works.
-  GURL saved_url(url);
-  bool reversed = handler.ReverseURLRewrite(&url,
-                                            original_url,
-                                            &browser_context);
-  ASSERT_TRUE(reversed);
-  ASSERT_EQ("foo://foo", url.spec());
-
-  // Check that reversing the URL only works with a matching |original_url|.
-  url = saved_url;
-  original_url = GURL("bam://bam");  // Won't be matched by FooRewriter.
-  reversed = handler.ReverseURLRewrite(&url, original_url, &browser_context);
-  ASSERT_FALSE(reversed);
-  ASSERT_EQ(saved_url, url);
-}
-
-TEST_F(BrowserURLHandlerTest, NullHandlerReverse) {
-  TestBrowserContext browser_context;
-  BrowserURLHandler handler;
-
-  GURL url("bar://foo");
-  GURL original_url(url);
-
-  handler.AddHandlerPair(BrowserURLHandler::null_handler(), FooRewriter);
-  bool reversed = handler.ReverseURLRewrite(&url,
-                                            original_url,
-                                            &browser_context);
-  ASSERT_FALSE(reversed);
-  ASSERT_EQ(original_url, url);
-
-  handler.AddHandlerPair(BrowserURLHandler::null_handler(), BarRewriter);
-  reversed = handler.ReverseURLRewrite(&url, original_url, &browser_context);
-  ASSERT_TRUE(reversed);
-  ASSERT_EQ("foo://foo", url.spec());
-}