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

content/browser/renderer_host/render_widget_host_view_mac_unittest.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include <Cocoa/Cocoa.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <tuple>
@@ skipping 126 matching lines @@
   [(NSEvent*)[[event stub] andReturnValue:OCMOCK_VALUE(timestamp)] timestamp];
   [(NSEvent*)[[event stub]
       andReturnValue:OCMOCK_VALUE(modifierFlags)] modifierFlags];
   [(NSEvent*)[[event stub]
       andReturnValue:OCMOCK_VALUE(magnification)] magnification];
   return event;
 }
 
 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 {
  public:
   MockRenderWidgetHostImpl(RenderWidgetHostDelegate* delegate,
                            RenderProcessHost* process,
                            int32_t routing_id)
       : RenderWidgetHostImpl(delegate, process, routing_id, false) {
     set_renderer_initialized(true);
     lastWheelEventLatencyInfo = ui::LatencyInfo();
@@ skipping 1286 matching lines @@
   // Repeat for the tab's view.
   [rwhv_cocoa_ setMarkedText:text
                selectedRange:selectedRange
             replacementRange:replacementRange];
   EXPECT_TRUE([rwhv_cocoa_ hasMarkedText]);
   rwhv_mac_->ImeCancelComposition();
   EXPECT_FALSE([rwhv_cocoa_ hasMarkedText]);
 }
 
 }  // namespace content