[autofill] Allow only a user gesture to trigger autofill.

If a script inserts text into an input field without a user gesture,
then do not show the autofill popup.

TEST=AutofillRendererTest.IgnoreNonUserGestureTextFieldChanges
BUG=353001

Review URL: https://codereview.chromium.org/1026493002

Cr-Commit-Position: refs/heads/master@{#327204}

1 files changed, 14 insertions, 1 deletions

diff --git a/content/public/test/render_view_test.h b/content/public/test/render_view_test.h
index d3fd776..91d0df6 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;
 }
 
@@ -99,7 +100,7 @@ class RenderViewTest : public testing::Test {
   void SendWebKeyboardEvent(const blink::WebKeyboardEvent& key_event);
 
   // Send a raw mouse event to the renderer.
-  void SendWebMouseEvent(const blink::WebMouseEvent& key_event);
+  void SendWebMouseEvent(const blink::WebMouseEvent& mouse_event);
 
   // Returns the bounds (coordinates and size) of the element with id
   // |element_id|.  Returns an empty rect if such an element was not found.
@@ -130,6 +131,18 @@ class RenderViewTest : public testing::Test {
               gfx::Rect resizer_rect,
               bool is_fullscreen);
 
+  // Simulates typing the |ascii_character| into this render view. Also accepts
+  // ui::VKEY_BACK for backspace. Will flush the message loop if
+  // |flush_message_loop| is true.
+  void SimulateUserTypingASCIICharacter(char ascii_character,
+                                        bool flush_message_loop);
+
+  // 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,