Tracking SelectionBounds for all RenderWidgets on the Browser Side (Aura Only)

content/public/test/text_input_test_utils.h

Index: content/public/test/text_input_test_utils.h
diff --git a/content/public/test/text_input_test_utils.h b/content/public/test/text_input_test_utils.h
index 92be4ae87b1d597854953b7c9aead9ef86219700..fbcd3fb0ccb15e110c3e2d100b59e3a9e492ab28 100644
--- a/content/public/test/text_input_test_utils.h
+++ b/content/public/test/text_input_test_utils.h
@@ -51,6 +51,10 @@ class TextInputManagerTester {
   // on the TextInputManager which is being observed.
   void SetUpdateTextInputStateCalledCallback(const Callback& callback);
 
+  // Sets a callback which is invoked when a RWHV calls SelectionBoundsChanged
+  // on the TextInputManager which is being observed.
+  void SetOnSelectionBoundsChangedCallback(const Callback& callback);
+
   // Returns true if there is a focused <input> and populates |type| with
   // |TextInputState.type| of the TextInputManager.
   bool GetTextInputType(ui::TextInputType* type);
@@ -63,8 +67,8 @@ class TextInputManagerTester {
   // if none exists.
   const RenderWidgetHostView* GetActiveView();
 
-  // Returns the RenderWidgetHostView which has most recently called
-  // TextInputManager::UpdateTextInputState on the TextInputManager which is
+  // Returns the RenderWidgetHostView which has most recently updated its state,
+  // i.e., selection bounds or TextInputState, with the TextInputManager that is
   // being observed.
   const RenderWidgetHostView* GetUpdatedView();