Remove "layouttest" or "layout test" in //content

https://chromium-review.googlesource.com/c/chromium/src/+/1367391

atom/browser/osr/osr_render_widget_host_view.cc

@@ -509,7 +509,7 @@ bool OffScreenRenderWidgetHostView::IsShowing() {
   return is_showing_;
 }
 
-void OffScreenRenderWidgetHostView::EnsureSurfaceSynchronizedForLayoutTest() {
+void OffScreenRenderWidgetHostView::EnsureSurfaceSynchronizedForWebTest() {
   ++latest_capture_sequence_number_;
   SynchronizeVisualProperties();
 }

atom/browser/osr/osr_render_widget_host_view.h

@@ -101,7 +101,7 @@ class OffScreenRenderWidgetHostView : public content::RenderWidgetHostViewBase,
   void Show(void) override;
   void Hide(void) override;
   bool IsShowing(void) override;
-  void EnsureSurfaceSynchronizedForLayoutTest() override;
+  void EnsureSurfaceSynchronizedForWebTest() override;
   gfx::Rect GetViewBounds(void) const override;
   gfx::Size GetVisibleViewportSize() const override;
   void SetInsets(const gfx::Insets&) override;