Add "frame to navigate" to NavigationEntry and plumb it to the RenderViewImpl

content/browser/web_contents/navigation_entry_impl_unittest.cc

 // Copyright (c) 2012 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/string16.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/navigation_entry_impl.h"
@@ skipping 185 matching lines @@
   EXPECT_EQ(NULL, entry2_->GetBrowserInitiatedPostData());
   const int length = 11;
   const unsigned char* raw_data =
       reinterpret_cast<const unsigned char*>("post\n\n\0data");
   std::vector<unsigned char> post_data_vector(raw_data, raw_data+length);
   scoped_refptr<base::RefCountedBytes> post_data =
       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 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());
 }
 
 }  // namespace content