Linux Aura: Use Aura theme on all windows when 'Use Classic theme' is used

chrome/browser/ui/views/frame/browser_view.cc

Index: chrome/browser/ui/views/frame/browser_view.cc
diff --git a/chrome/browser/ui/views/frame/browser_view.cc b/chrome/browser/ui/views/frame/browser_view.cc
index d0efcd3620c14b9c25d565f1c4fbcf23e3acd526..2b4cdd6eef6cd74c3ef7cb1be21957e567c8d3cf 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -174,9 +174,6 @@
 #include "chrome/browser/ui/views/sync/one_click_signin_dialog_view.h"
 #endif
 
-#if defined(OS_LINUX)
-#endif
-
 using base::TimeDelta;
 using base::UserMetricsAction;
 using content::NativeWebKeyboardEvent;
@@ -385,6 +382,9 @@ void BookmarkBarViewBackground::Paint(gfx::Canvas* canvas,
 // static
 const char BrowserView::kViewClassName[] = "BrowserView";
 
+// static
+const char BrowserView::kThemeProfileKey[] = "__THEME_PROFILE__";
+
 BrowserView::BrowserView()
     : views::ClientView(nullptr, nullptr),
       last_focused_view_storage_id_(
@@ -2031,6 +2031,11 @@ void BrowserView::InitViews() {
   GetWidget()->SetNativeWindowProperty(Profile::kProfileKey,
                                        browser_->profile());
 
+  // Stow a pointer to the browser's original profile onto the window handle so
+  // that windows will be styled with the appropriate NativeTheme.
+  GetWidget()->SetNativeWindowProperty(
+      BrowserView::kThemeProfileKey, browser_->profile()->GetOriginalProfile());
+
   LoadAccelerators();
 
   contents_web_view_ = new ContentsWebView(browser_->profile());