Push the chrome browser of the selected tab to the front of the screen,

chrome/browser/ui/views/desktop_capture/desktop_media_picker_views.cc

Index: chrome/browser/ui/views/desktop_capture/desktop_media_picker_views.cc
diff --git a/chrome/browser/ui/views/desktop_capture/desktop_media_picker_views.cc b/chrome/browser/ui/views/desktop_capture/desktop_media_picker_views.cc
index f43d9024f71e2136260f126fe4e960a675910eb3..3c2481fca8fc8185da34487d269862aaa8b08fd1 100644
--- a/chrome/browser/ui/views/desktop_capture/desktop_media_picker_views.cc
+++ b/chrome/browser/ui/views/desktop_capture/desktop_media_picker_views.cc
@@ -7,6 +7,8 @@
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "chrome/browser/media/desktop_media_list.h"
+#include "chrome/browser/ui/browser_finder.h"
+#include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/views/desktop_capture/desktop_media_list_view.h"
 #include "chrome/browser/ui/views/desktop_capture/desktop_media_source_view.h"
 #include "chrome/browser/ui/views/desktop_media_picker_views_deprecated.h"
@@ -315,14 +317,22 @@ bool DesktopMediaPickerDialogView::Accept() {
                        audio_share_checkbox_->visible() &&
                        audio_share_checkbox_->checked();
 
-  // If the media source is an tab, activate it.
   if (source.type == DesktopMediaID::TYPE_WEB_CONTENTS) {
+    // Activate the selected tab and bring the browser window for the selected
+    // tab to the front.
     content::WebContents* tab = content::WebContents::FromRenderFrameHost(
         content::RenderFrameHost::FromID(
             source.web_contents_id.render_process_id,
             source.web_contents_id.main_render_frame_id));
-    if (tab)
+    if (tab) {
       tab->GetDelegate()->ActivateContents(tab);
+      Browser* browser = chrome::FindBrowserWithWebContents(tab);
+      if (browser) {

[msw, 2016/06/02 22:31:43]

optional nit: if (browser && browser->window()) browser->window()->Activate();

[GeorgeZ, 2016/06/03 15:51:19]

Done.

+        BrowserWindow* window = browser->window();
+        if (window)
+          window->Activate();
+      }
+    }
   }
 
   if (parent_)