mus: Make --use-mus-in-renderer the default for --mash.

content/renderer/render_widget_unittest.cc

 // Copyright 2013 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/renderer/render_widget.h"
 
 #include <tuple>
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 383 matching lines @@
   touch.MovePoint(0, 30, 30);
   touch.touchStartOrFirstTouchMove = false;
   widget()->SendInputEvent(touch);
   histogram_tester().ExpectTotalCount("Event.Touch.TouchLatencyOutsideFling",
                                       2);
 }
 
 class PopupRenderWidget : public RenderWidget {
  public:
   explicit PopupRenderWidget(CompositorDependencies* compositor_deps)
-      : RenderWidget(1,
+      : RenderWidget(routing_id_++,
                      compositor_deps,
                      blink::WebPopupTypePage,
                      ScreenInfo(),
                      false,
                      false,
                      false) {
     Init(RenderWidget::ShowCallback(), mock_webwidget());
     did_show_ = true;
   }
 
@@ skipping 10 matching lines @@
 
   bool Send(IPC::Message* msg) override {
     sink_.OnMessageReceived(*msg);
     delete msg;
     return true;
   }
 
  private:
   IPC::TestSink sink_;
   MockWebWidget mock_webwidget_;
+  static int routing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(PopupRenderWidget);
 };
 
+int PopupRenderWidget::routing_id_ = 1;
+
 class RenderWidgetPopupUnittest : public testing::Test {
  public:
   RenderWidgetPopupUnittest()
       : widget_(new PopupRenderWidget(&compositor_deps_)) {
     // RenderWidget::Init does an AddRef that's balanced by a browser-initiated
     // Close IPC. That Close will never happen in this test, so do a Release
     // here to ensure |widget_| is properly freed.
     widget_->Release();
     DCHECK(widget_->HasOneRef());
   }
@@ skipping 74 matching lines @@
   blink::WebRect popup_emulated_rect(130, 170, 100, 400);
   widget()->setWindowRect(popup_emulated_rect);
 
   EXPECT_EQ(popup_emulated_rect.x, widget()->windowRect().x);
   EXPECT_EQ(popup_emulated_rect.y, widget()->windowRect().y);
   EXPECT_EQ(popup_emulated_rect.x, widget()->viewRect().x);
   EXPECT_EQ(popup_emulated_rect.y, widget()->viewRect().y);
 }
 
 }  // namespace content