Broke out layout metric information from ViewsDelegate to LayoutProvider

chrome/test/base/browser_with_test_window_test.cc

Index: chrome/test/base/browser_with_test_window_test.cc
diff --git a/chrome/test/base/browser_with_test_window_test.cc b/chrome/test/base/browser_with_test_window_test.cc
index 08a9dd7ab2e11003e9966c62b718e8181912b179..7a61c0578b947ea85cc943a47ca97634eb73dd52 100644
--- a/chrome/test/base/browser_with_test_window_test.cc
+++ b/chrome/test/base/browser_with_test_window_test.cc
@@ -15,6 +15,7 @@
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/browser_navigator_params.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/browser/ui/views/harmony/chrome_views_layout_delegate.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
@@ -23,9 +24,11 @@
 #include "content/public/test/browser_side_navigation_test_utils.h"
 #include "content/public/test/test_renderer_host.h"
 #include "ui/base/page_transition_types.h"
+#include "ui/views/test/test_views_delegate.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/test/ash_test_helper.h"
+#include "ash/test/ash_test_views_delegate.h"
 #include "chrome/test/base/ash_test_environment_chrome.h"
 #elif defined(TOOLKIT_VIEWS)
 #include "ui/views/test/scoped_views_test_helper.h"
@@ -68,6 +71,9 @@ void BrowserWithTestWindowTest::SetUp() {
   SetConstrainedWindowViewsClient(CreateChromeConstrainedWindowViewsClient());
 #endif
 
+  views_delegate()->set_layout_delegate(
+      base::MakeUnique<ChromeViewsLayoutDelegate>());
+
   if (content::IsBrowserSideNavigationEnabled())
     content::BrowserSideNavigationSetUp();
 
@@ -208,3 +214,11 @@ Browser* BrowserWithTestWindowTest::CreateBrowser(
   params.window = browser_window;
   return new Browser(params);
 }
+
+views::TestViewsDelegate* BrowserWithTestWindowTest::views_delegate() {
+#if defined(OS_CHROMEOS)
+  return ash_test_helper_->views_delegate();
+#elif defined(TOOLKIT_VIEWS)
+  return views_test_helper_->views_delegate();
+#endif
+}