Provide assumed favicon for intents if service provider page was never visited.

chrome/browser/history/history_backend_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 <set>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 1116 matching lines @@
   // Test the touch icon for this URL.
   ASSERT_TRUE(backend_->GetFaviconFromDB(url, TOUCH_ICON, &favicon));
   std::string touchicon_data(
       favicon.image_data->front(),
       favicon.image_data->front() + favicon.image_data->size());
 
   EXPECT_EQ(TOUCH_ICON, favicon.icon_type);
   EXPECT_EQ(icon_url, favicon.icon_url);
   EXPECT_EQ(blob_data, touchicon_data);
 }
+
+TEST_F(HistoryBackendTest, CloneFaviconIsRestrictedToSameDomain) {
+  const GURL url("http://www.google.com/");
+  const GURL icon_url("http://www.google.com/icon");
+  const GURL same_domain_url("http://www.google.com/subdir/index.html");
+  const GURL foreign_domain_url("http://www.not-google.com/");
+
+  // Add a favicon
+  std::vector<unsigned char> data(blob1, blob1 + sizeof(blob1));
+  scoped_refptr<RefCountedBytes> bytes(new RefCountedBytes(data));
+  backend_->SetFavicon(
+      url, icon_url, bytes.get(), FAVICON);
+  EXPECT_TRUE(backend_->thumbnail_db_->GetIconMappingForPageURL(
+      url, FAVICON, NULL));
+
+  // Validate starting state.
+  FaviconData favicon;
+  EXPECT_TRUE(backend_->GetFaviconFromDB(url, FAVICON, &favicon));
+  EXPECT_FALSE(backend_->GetFaviconFromDB(same_domain_url, FAVICON, &favicon));
+  EXPECT_FALSE(backend_->GetFaviconFromDB(foreign_domain_url,
+                                          FAVICON, &favicon));
+
+  // Same-domain cloning should work.
+  backend_->CloneFavicon(url, same_domain_url);
+  EXPECT_TRUE(backend_->GetFaviconFromDB(same_domain_url, FAVICON, &favicon));
+
+  // Foreign-domain cloning is forbidden.
+  backend_->CloneFavicon(url, foreign_domain_url);
+  EXPECT_FALSE(backend_->GetFaviconFromDB(foreign_domain_url,
+                                          FAVICON, &favicon));
+}
 }  // namespace history