[Android WebView] Convert context menu callback to long press

android_webview/native/aw_contents.h

Index: android_webview/native/aw_contents.h
diff --git a/android_webview/native/aw_contents.h b/android_webview/native/aw_contents.h
index 8a68f6cc1c4ef29333f6bc41a14e8d5659126962..9a2a1a2b5ceb4df5950f70d03efac2cae9bbe535 100644
--- a/android_webview/native/aw_contents.h
+++ b/android_webview/native/aw_contents.h
@@ -32,6 +32,7 @@ namespace android_webview {
 class AwContentsContainer;
 class AwRenderViewHostExt;
 class AwWebContentsDelegate;
+class AwWebContentsViewDelegate;
 
 // Native side of java-class of same name.
 // Provides the ownership of and access to browser components required for
@@ -116,6 +117,8 @@ class AwContents : public FindHelper::Listener,
   void SetPendingWebContentsForPopup(scoped_ptr<content::WebContents> pending);
   jint ReleasePopupWebContents(JNIEnv* env, jobject obj);
 
+  base::android::ScopedJavaLocalRef<jobject> CreateAwWebContentsViewDelegate();
+
  private:
   void Invalidate();
   void SetWebContents(content::WebContents* web_contents);