Make SelectionPopupController.ShowPastePopup only be triggered by Blink

content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java

Index: content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java b/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
index b942f9078ae6242ba97d3dda3106b0a625d36743..cb0fece7126ac343693bfa2c70646689db4a2048 100644
--- a/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
+++ b/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
@@ -546,6 +546,11 @@ import java.util.UUID;
     }
 
     @Override
+    public void showContextMenuAtPoint(int x, int y) {
+        nativeShowContextMenuAtPoint(mNativeWebContentsAndroid, x, y);
+    }
+
+    @Override
     public void setHasPersistentVideo(boolean value) {
         nativeSetHasPersistentVideo(mNativeWebContentsAndroid, value);
     }
@@ -643,6 +648,7 @@ import java.util.UUID;
             String url, boolean isFavicon, int maxBitmapSize,
             boolean bypassCache, ImageDownloadCallback callback);
     private native void nativeDismissTextHandles(long nativeWebContentsAndroid);
+    private native void nativeShowContextMenuAtPoint(long nativeWebContentsAndroid, int x, int y);
     private native void nativeSetHasPersistentVideo(long nativeWebContentsAndroid, boolean value);
     private native boolean nativeHasActiveEffectivelyFullscreenVideo(long nativeWebContentsAndroid);
     private native EventForwarder nativeGetOrCreateEventForwarder(long nativeWebContentsAndroid);