Add Clone and disallow copy construction for NavigationEntryImpl.

content/browser/frame_host/navigation_entry_impl_unittest.cc

 // Copyright 2013 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/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
 #include "content/browser/site_instance_impl.h"
@@ skipping 195 matching lines @@
       base::RefCountedBytes::TakeVector(&post_data_vector);
   entry2_->SetBrowserInitiatedPostData(post_data.get());
   EXPECT_EQ(post_data->front(),
       entry2_->GetBrowserInitiatedPostData()->front());
 
  // Frame to navigate.
   EXPECT_TRUE(entry1_->GetFrameToNavigate().empty());
   EXPECT_TRUE(entry2_->GetFrameToNavigate().empty());
 }
 
+// Test basic Clone behavior.
+TEST_F(NavigationEntryTest, NavigationEntryClone) {
+  // Set some additional values.
+  entry2_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
+  entry2_->set_should_replace_entry(true);
+
+  NavigationEntryImpl* clone = entry2_->Clone();
+
+  // Value from FrameNavigationEntry.
+  EXPECT_EQ(entry2_->site_instance(), clone->site_instance());
+
+  // Value from constructor.
+  EXPECT_EQ(entry2_->GetTitle(), clone->GetTitle());
+
+  // Value set after constructor.
+  EXPECT_EQ(entry2_->GetTransitionType(), clone->GetTransitionType());
+
+  // Value not copied due to ResetForCommit.
+  EXPECT_NE(entry2_->should_replace_entry(), clone->should_replace_entry());
+}
+
 // Test timestamps.
 TEST_F(NavigationEntryTest, NavigationEntryTimestamps) {
   EXPECT_EQ(base::Time(), entry1_->GetTimestamp());
   const base::Time now = base::Time::Now();
   entry1_->SetTimestamp(now);
   EXPECT_EQ(now, entry1_->GetTimestamp());
 }
 
 // Test extra data stored in the navigation entry.
 TEST_F(NavigationEntryTest, NavigationEntryExtraData) {
@@ skipping 10 matching lines @@
   // Content in |output| is not modified if data is not present at the key.
   EXPECT_FALSE(entry1_->GetExtraData("search_terms", &output));
   EXPECT_EQ(test_data, output);
   // Using an empty string shows that the data is not present in the map.
   base::string16 output2;
   EXPECT_FALSE(entry1_->GetExtraData("search_terms", &output2));
   EXPECT_EQ(ASCIIToUTF16(""), output2);
 }
 
 }  // namespace content