Do not reinvent the wheel / use content APIs to find a frame by name.

chrome/browser/autofill/autofill_interactive_uitest.cc

Index: chrome/browser/autofill/autofill_interactive_uitest.cc
diff --git a/chrome/browser/autofill/autofill_interactive_uitest.cc b/chrome/browser/autofill/autofill_interactive_uitest.cc
index cd67195ee1d913c3f0b79eb84e0632611a4cf2ee..b77df4ce7d126143fca965bc542c6fa8611f0e1c 100644
--- a/chrome/browser/autofill/autofill_interactive_uitest.cc
+++ b/chrome/browser/autofill/autofill_interactive_uitest.cc
@@ -215,11 +215,8 @@ class AutofillManagerTestDelegateImpl
 content::RenderFrameHost* RenderFrameHostForName(
     content::WebContents* web_contents,
     const std::string& name) {
-  for (content::RenderFrameHost* frame : web_contents->GetAllFrames()) {
-    if (frame->GetFrameName() == name)
-      return frame;
-  }
-  return nullptr;
+  return content::FrameMatchingPredicate(
+      web_contents, base::Bind(&content::FrameMatchesName, name));
 }
 
 }  // namespace