Tracking SelectionBounds for all RenderWidgets on the Browser Side (Mac)

content/browser/renderer_host/render_widget_host_view_mac_unittest.mm

Index: content/browser/renderer_host/render_widget_host_view_mac_unittest.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac_unittest.mm b/content/browser/renderer_host/render_widget_host_view_mac_unittest.mm
index b4eecea318e93a82317a96f56240090d31a7d047..712230a5ed27f38590f565addd790c918c17e520 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac_unittest.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac_unittest.mm
@@ -144,14 +144,21 @@ id MockGestureEvent(NSEventType type, double magnification) {
 
 class MockRenderWidgetHostDelegate : public RenderWidgetHostDelegate {
  public:
-  MockRenderWidgetHostDelegate() {}
+  MockRenderWidgetHostDelegate()
+      : text_input_manager_(new TextInputManager()) {}
   ~MockRenderWidgetHostDelegate() override {}
 
+  TextInputManager* GetTextInputManager() override {
+    return text_input_manager_.get();
+  }
+
  private:
   void Cut() override {}
   void Copy() override {}
   void Paste() override {}
   void SelectAll() override {}
+
+  std::unique_ptr<TextInputManager> text_input_manager_;
 };
 
 class MockRenderWidgetHostImpl : public RenderWidgetHostImpl {