[Android WebView] Convert context menu callback to long press

android_webview/lib/main/aw_main_delegate.h

Index: android_webview/lib/main/aw_main_delegate.h
diff --git a/android_webview/lib/main/aw_main_delegate.h b/android_webview/lib/main/aw_main_delegate.h
index b5185362989867acf0d469ecbe2536bfaf8ba91d..8a6a133d2b1faf8e7c9d02239e24329f3db02524 100644
--- a/android_webview/lib/main/aw_main_delegate.h
+++ b/android_webview/lib/main/aw_main_delegate.h
@@ -5,6 +5,7 @@
 #ifndef ANDROID_WEBVIEW_LIB_MAIN_AW_MAIN_DELEGATE_H_
 #define ANDROID_WEBVIEW_LIB_MAIN_AW_MAIN_DELEGATE_H_
 
+#include "android_webview/browser/aw_content_browser_client.h"
 #include "android_webview/common/aw_content_client.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/app/content_main_delegate.h"
@@ -36,6 +37,7 @@ class AwMainDelegate : public content::ContentMainDelegate {
 
   scoped_ptr<content::BrowserMainRunner> browser_runner_;
   android_webview::AwContentClient content_client_;
+  scoped_ptr<AwContentBrowserClient> content_browser_client_;
 
   DISALLOW_COPY_AND_ASSIGN(AwMainDelegate);
 };