Extend the ToRenderFrameHost magic to FrameTreeNode* and Shell*

content/public/test/browser_test_utils.cc

Index: content/public/test/browser_test_utils.cc
diff --git a/content/public/test/browser_test_utils.cc b/content/public/test/browser_test_utils.cc
index c016ffa434a5857444aba50be20a444f30679def..26afedd51c10fa97fd03605c44813bc6a40fe237 100644
--- a/content/public/test/browser_test_utils.cc
+++ b/content/public/test/browser_test_utils.cc
@@ -673,16 +673,16 @@ void SimulateKeyPress(WebContents* web_contents,
   ASSERT_EQ(modifiers, 0);
 }
 
-ToRenderFrameHost::ToRenderFrameHost(WebContents* web_contents)
-    : render_frame_host_(web_contents->GetMainFrame()) {
+RenderFrameHost* ConvertToRenderFrameHost(WebContents* web_contents) {
+  return web_contents->GetMainFrame();
 }
 
-ToRenderFrameHost::ToRenderFrameHost(RenderViewHost* render_view_host)
-    : render_frame_host_(render_view_host->GetMainFrame()) {
+RenderFrameHost* ConvertToRenderFrameHost(RenderViewHost* render_view_host) {
+  return render_view_host->GetMainFrame();
 }
 
-ToRenderFrameHost::ToRenderFrameHost(RenderFrameHost* render_frame_host)
-    : render_frame_host_(render_frame_host) {
+RenderFrameHost* ConvertToRenderFrameHost(RenderFrameHost* render_frame_host) {
+  return render_frame_host;
 }
 
 bool ExecuteScript(const ToRenderFrameHost& adapter,