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>
 
 #include "base/command_line.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/mac/sdk_forward_declarations.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/compositor/test/no_transport_image_transport_factory.h"
 #include "content/browser/frame_host/render_widget_host_view_guest.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
+#include "content/browser/renderer_host/text_input_manager.h"
 #include "content/common/input/web_input_event_traits.h"
 #include "content/common/input_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_widget_host_view_mac_delegate.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/mock_render_process_host.h"
 #include "content/public/test/test_browser_context.h"
 #include "content/public/test/test_utils.h"
 #include "content/test/test_render_view_host.h"
@@ skipping 106 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 1078 matching lines @@
   // Verify that Event.Latency.OS.MOUSE_WHEEL histogram is computed properly.
   NSEvent* wheelEvent = MockScrollWheelEventWithPhase(@selector(phaseBegan),3);
   [view->cocoa_view() scrollWheel:wheelEvent];
   histogram_tester.ExpectTotalCount("Event.Latency.OS.MOUSE_WHEEL", 1);
 
   // Clean up.
   host->ShutdownAndDestroyWidget(true);
 }
 
 }  // namespace content