Ensure we properly set PageTransition for iframes.

content/test/test_frame_navigation_observer.h

Index: content/test/test_frame_navigation_observer.h
diff --git a/content/test/test_frame_navigation_observer.h b/content/test/test_frame_navigation_observer.h
index 9ff42c53e858e059a1e87f19623b90f30fff74e4..5330c48eb27afedbe9d92678cdd6979575b1036f 100644
--- a/content/test/test_frame_navigation_observer.h
+++ b/content/test/test_frame_navigation_observer.h
@@ -10,6 +10,7 @@
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
+#include "content/public/browser/navigation_details.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/test/test_utils.h"
 
@@ -19,7 +20,6 @@ namespace content {
 class FrameTreeNode;
 class RenderFrameHostImpl;
 class WebContents;
-struct LoadCommittedDetails;
 
 // For content_browsertests, which run on the UI thread, run a second
 // MessageLoop and quit when the navigation in a specific frame completes
@@ -38,6 +38,11 @@ class TestFrameNavigationObserver : public WebContentsObserver {
   // navigations are complete.
   void Wait();
 
+  // Returns the LoadCommittedDetails for the last navigation to commit.
+  const LoadCommittedDetails& load_committed_details() const {
+    return load_committed_details_;
+  }
+
  private:
   // WebContentsObserver
   void DidStartProvisionalLoadForFrame(RenderFrameHost* render_frame_host,
@@ -60,6 +65,8 @@ class TestFrameNavigationObserver : public WebContentsObserver {
   // The number of navigations to wait for.
   int number_of_navigations_;
 
+  LoadCommittedDetails load_committed_details_;
+
   // The MessageLoopRunner used to spin the message loop.
   scoped_refptr<MessageLoopRunner> message_loop_runner_;