Add referrer & load flag support to BitmapFetcher class.

content/public/common/referrer_unittest.cc

Index: content/public/common/referrer_unittest.cc
diff --git a/content/public/common/referrer_unittest.cc b/content/public/common/referrer_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6030a2b98b9509d7fea730bee1e45204d9ec5002
--- /dev/null
+++ b/content/public/common/referrer_unittest.cc
@@ -0,0 +1,87 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.

[Kibeom Kim (inactive), 2014/04/30 00:58:56]

from
https://chrome-internal.googlesource.com/bling/chromium/+/master/ios/web/publ...

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/public/common/referrer.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+const char* kTestURL = "http://google.com/";
+
+// Check that copying Referrer objects works.
+TEST(ReferrerTest, Copy) {
+  content::Referrer r1(GURL(kTestURL), blink::WebReferrerPolicyAlways);
+  content::Referrer r2;
+
+  r2 = r1;
+  EXPECT_EQ(GURL(kTestURL), r2.url);
+  EXPECT_EQ(blink::WebReferrerPolicyAlways, r2.policy);
+}
+
+TEST(ReferrerTest, Sanitization) {
+  content::Referrer referrer(
+      GURL("http://user:password@foo.com/bar/baz.html#fragment"),
+      blink::WebReferrerPolicyAlways);
+  GURL sanitized =
+      referrer.ReferrerHeaderUrlForNavigation(GURL("http://www.bar.com"));
+  EXPECT_EQ("http://foo.com/bar/baz.html", sanitized.spec());
+}
+
+TEST(ReferrerTest, PolicyHandling) {
+  const char* test_urls[] = {
+      "http://insecure.com/foo/bar.html",
+      "https://secure.net/trustworthy.html",
+  };
+
+  // Default: all but secure->insecure should have a full referrer.
+  for (unsigned int source = 0; source < arraysize(test_urls); ++source) {
+    for (unsigned int dest = 0; dest < arraysize(test_urls); ++dest) {
+      content::Referrer referrer(GURL(test_urls[source]),
+                                 blink::WebReferrerPolicyDefault);
+      const GURL referrer_url =
+          referrer.ReferrerHeaderUrlForNavigation(GURL(test_urls[dest]));
+      if (source == 1 && dest == 0) {
+        EXPECT_EQ("", referrer_url.spec());
+      } else {
+        EXPECT_EQ(test_urls[source], referrer_url.spec());
+      }
+    }
+  }
+
+  // Never: always empty string.
+  for (unsigned int source = 0; source < arraysize(test_urls); ++source) {
+    for (unsigned int dest = 0; dest < arraysize(test_urls); ++dest) {
+      content::Referrer referrer(GURL(test_urls[source]),
+                                 blink::WebReferrerPolicyNever);
+      const GURL referrer_url =
+          referrer.ReferrerHeaderUrlForNavigation(GURL(test_urls[dest]));
+      EXPECT_EQ("", referrer_url.spec());
+    }
+  }
+
+  // Always: always the full referrer.
+  for (unsigned int source = 0; source < arraysize(test_urls); ++source) {
+    for (unsigned int dest = 0; dest < arraysize(test_urls); ++dest) {
+      content::Referrer referrer(GURL(test_urls[source]),
+                                 blink::WebReferrerPolicyAlways);
+      const GURL referrer_url =
+          referrer.ReferrerHeaderUrlForNavigation(GURL(test_urls[dest]));
+      EXPECT_EQ(test_urls[source], referrer_url.spec());
+    }
+  }
+
+  // Always: always just the origin.
+  for (unsigned int source = 0; source < arraysize(test_urls); ++source) {
+    for (unsigned int dest = 0; dest < arraysize(test_urls); ++dest) {
+      content::Referrer referrer(GURL(test_urls[source]),
+                                 blink::WebReferrerPolicyOrigin);
+      const GURL referrer_url =
+          referrer.ReferrerHeaderUrlForNavigation(GURL(test_urls[dest]));
+      EXPECT_EQ(GURL(test_urls[source]).GetOrigin().spec(),
+                referrer_url.spec());
+    }
+  }
+}
+
+}  // namespace