[Android]Fix a bug where long press on urlbar only copies the TLD

chrome/android/java/src/org/chromium/chrome/browser/toolbar/CustomTabToolbar.java

Index: chrome/android/java/src/org/chromium/chrome/browser/toolbar/CustomTabToolbar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/CustomTabToolbar.java b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/CustomTabToolbar.java
index 422b1c895d72790bb4382152716675a9c77c5c39..6e5ebf279662df378dc8b89fd7df67ecba93d963 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/CustomTabToolbar.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/CustomTabToolbar.java
@@ -660,7 +660,10 @@ public class CustomTabToolbar extends ToolbarLayout implements LocationBar,
         } else if (v == mTitleUrlContainer) {
             ClipboardManager clipboard = (ClipboardManager) getContext()
                     .getSystemService(Context.CLIPBOARD_SERVICE);
-            ClipData clip = ClipData.newPlainText("url", mUrlBar.getText());
+            Tab tab = getCurrentTab();
+            if (tab == null) return false;
+            String url = tab.isOfflinePage() ? tab.getOfflinePageOriginalUrl() : tab.getUrl();
+            ClipData clip = ClipData.newPlainText("url", url);
             clipboard.setPrimaryClip(clip);
             Toast.makeText(getContext(), R.string.url_copied, Toast.LENGTH_SHORT).show();
             return true;