Provide WebContents::CreateParams to tab helpers.

components/web_contents_delegate_android/web_contents_delegate_android.h

Index: components/web_contents_delegate_android/web_contents_delegate_android.h
diff --git a/components/web_contents_delegate_android/web_contents_delegate_android.h b/components/web_contents_delegate_android/web_contents_delegate_android.h
index 552574f78a471d1befc5b846a756b74b3e32cef1..4b179ac46f6a54c90da71ff9836346c5f7f9639e 100644
--- a/components/web_contents_delegate_android/web_contents_delegate_android.h
+++ b/components/web_contents_delegate_android/web_contents_delegate_android.h
@@ -12,12 +12,12 @@
 #include "base/android/jni_weak_ref.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/compiler_specific.h"
+#include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 
 class GURL;
 
 namespace content {
-class WebContents;
 class WebContentsDelegate;
 struct NativeWebKeyboardEvent;
 struct OpenURLParams;
@@ -73,12 +73,15 @@ class WebContentsDelegateAndroid : public content::WebContentsDelegate {
       content::WebContents* source,
       const content::WebContentsUnresponsiveState& unresponsive_state) override;
   void RendererResponsive(content::WebContents* source) override;
-  void WebContentsCreated(content::WebContents* source_contents,
-                          int opener_render_process_id,
-                          int opener_render_frame_id,
-                          const std::string& frame_name,
-                          const GURL& target_url,
-                          content::WebContents* new_contents) override;
+  void WebContentsCreated(
+      content::WebContents* source_contents,
+      int opener_render_process_id,
+      int opener_render_frame_id,
+      const std::string& frame_name,
+      const GURL& target_url,
+      content::WebContents* new_contents,
+      const base::Optional<content::WebContents::CreateParams>& create_params)
+      override;
   bool ShouldCreateWebContents(
       content::WebContents* web_contents,
       content::SiteInstance* source_site_instance,