Allow only a user gesture to trigger autofill popup

content/public/test/render_view_test.h

Index: content/public/test/render_view_test.h
diff --git a/content/public/test/render_view_test.h b/content/public/test/render_view_test.h
index d512c547bced141a42e460340a1cf1e946f6edbf..e0b44c101ab65b67a5b048904755a0a2a492713a 100644
--- a/content/public/test/render_view_test.h
+++ b/content/public/test/render_view_test.h
@@ -22,6 +22,7 @@
 struct ViewMsg_Resize_Params;
 
 namespace blink {
+class WebInputElement;
 class WebWidget;
 }
 
@@ -127,6 +128,20 @@ class RenderViewTest : public testing::Test {
               gfx::Rect resizer_rect,
               bool is_fullscreen);
 
+  // Simulate typing the |ascii_character| into the browser. Also accepts
+  // ui::VKEY_BACK for backspace.
+  void SimulateUserTypingASCIICharacter(char ascii_character);
+
+  // Should be called after SimulateUserTypingASCIICharacter calls to process
+  // the input for autofill.
+  void ProcessInputForAutofill();
+
+  // Simulates user focusing |input|, erasing all text, and typing the
+  // |new_value| instead. Will process input events for autofill. This is a user
+  // gesture.
+  void SimulateUserInputChangeForElement(blink::WebInputElement* input,
+                                         const std::string& new_value);
+
   // These are all methods from RenderViewImpl that we expose to testing code.
   bool OnMessageReceived(const IPC::Message& msg);
   void DidNavigateWithinPage(blink::WebLocalFrame* frame,
@@ -170,6 +185,7 @@ class RenderViewTest : public testing::Test {
 
  private:
   void GoToOffset(int offset, const PageState& state);
+  void LayoutMainFrame();
 };
 
 }  // namespace content