Tests for user gesture detection in page click tracker. [DO NOT REVIEW]

components/autofill/content/renderer/page_click_tracker.h

Index: components/autofill/content/renderer/page_click_tracker.h
diff --git a/components/autofill/content/renderer/page_click_tracker.h b/components/autofill/content/renderer/page_click_tracker.h
index eed10f9a810b2be3eff48b9819cba14882ce0057..769251cdaa3c3b78cf675bee66e99c937f8fb41f 100644
--- a/components/autofill/content/renderer/page_click_tracker.h
+++ b/components/autofill/content/renderer/page_click_tracker.h
@@ -8,6 +8,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/gtest_prod_util.h"
 #include "base/memory/weak_ptr.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_view_observer.h"
@@ -50,9 +51,26 @@ class PageClickTracker : public content::RenderFrameObserver {
   };
   friend class Legacy;
 
+  FRIEND_TEST_ALL_PREFIXES(
+      PageClickTrackerTest, KeyboardAccessoryForMouseDown);
+  FRIEND_TEST_ALL_PREFIXES(
+      PageClickTrackerTest, KeyboardAccessoryForUserGestureFocusedNodeChange);
+  FRIEND_TEST_ALL_PREFIXES(
+      PageClickTrackerTest,
+      NoKeyboardAccessoryForNonUserGestureFocusedNodeChange);
+  FRIEND_TEST_ALL_PREFIXES(
+      PageClickTrackerTest, NoKeyboardAccessoryForFocusChangeComplete);
+
   // RenderFrameObserver implementation.
   void FocusedNodeChanged(const blink::WebNode& node) override;
 
+  // Returns true if the focused node change is due to a user gesture. Can be
+  // overridden in tests.
+  virtual bool IsUserGesture() const;
+
+  // Returns true if keyboard accessory is enabled. Can be overridden in tests.
+  virtual bool IsKeyboardAccessory() const;
+
   // RenderViewObserver methods forwarded from Legacy. Should be
   // merged into RenderFrameObserver.
   void OnMouseDown(const blink::WebNode& mouse_down_node);