[CM API] Account Chooser with Sign in button for single account

chrome/android/java/src/org/chromium/chrome/browser/password_manager/AccountChooserDialog.java

Index: chrome/android/java/src/org/chromium/chrome/browser/password_manager/AccountChooserDialog.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/password_manager/AccountChooserDialog.java b/chrome/android/java/src/org/chromium/chrome/browser/password_manager/AccountChooserDialog.java
index e206d32d8be073522ad297e0655f866d723865b2..ec10ac65b460f3d2e62fde67754af11567ae864d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/password_manager/AccountChooserDialog.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/password_manager/AccountChooserDialog.java
@@ -11,6 +11,7 @@ import android.graphics.Bitmap;
 import android.support.v7.app.AlertDialog;
 import android.text.SpannableString;
 import android.text.Spanned;
+import android.text.TextUtils;
 import android.text.method.LinkMovementMethod;
 import android.text.style.ClickableSpan;
 import android.view.LayoutInflater;
@@ -44,6 +45,7 @@ public class AccountChooserDialog
     private final int mTitleLinkStart;
     private final int mTitleLinkEnd;
     private final String mOrigin;
+    private final String mSigninButtonText;
     private ArrayAdapter<Credential> mAdapter;
     private boolean mIsDestroyed;
     private boolean mWasDismissedByNative;
@@ -54,10 +56,15 @@ public class AccountChooserDialog
     private Credential mCredential;
     private long mNativeAccountChooserDialog;
     private AlertDialog mDialog;
+    /**
+     * True, if credentials were selected via "Sign In" button instead of clicking on the credential
+     * itself.
+     */
+    private boolean mSigninButtonClicked;
 
     private AccountChooserDialog(Context context, long nativeAccountChooserDialog,
             Credential[] credentials, String title, int titleLinkStart, int titleLinkEnd,
-            String origin) {
+            String origin, String signinButtonText) {
         mNativeAccountChooserDialog = nativeAccountChooserDialog;
         mContext = context;
         mCredentials = credentials.clone();
@@ -65,6 +72,8 @@ public class AccountChooserDialog
         mTitleLinkStart = titleLinkStart;
         mTitleLinkEnd = titleLinkEnd;
         mOrigin = origin;
+        mSigninButtonText = signinButtonText;
+        mSigninButtonClicked = false;
     }
 
     /**
@@ -78,12 +87,12 @@ public class AccountChooserDialog
     @CalledByNative
     private static AccountChooserDialog createAndShowAccountChooser(WindowAndroid windowAndroid,
             long nativeAccountChooserDialog, Credential[] credentials, String title,
-            int titleLinkStart, int titleLinkEnd, String origin) {
+            int titleLinkStart, int titleLinkEnd, String origin, String signinButtonText) {
         Activity activity = windowAndroid.getActivity().get();
         if (activity == null) return null;
         AccountChooserDialog chooser =
                 new AccountChooserDialog(activity, nativeAccountChooserDialog, credentials, title,
-                        titleLinkStart, titleLinkEnd, origin);
+                        titleLinkStart, titleLinkEnd, origin, signinButtonText);
         chooser.show();
         return chooser;
     }
@@ -164,6 +173,9 @@ public class AccountChooserDialog
                                 mCredential = mCredentials[item];
                             }
                         });
+        if (!TextUtils.isEmpty(mSigninButtonText)) {
+            builder.setPositiveButton(mSigninButtonText, this);
+        }
         mDialog = builder.create();
         mDialog.setOnDismissListener(this);
         mDialog.show();
@@ -203,14 +215,19 @@ public class AccountChooserDialog
     }
 
     @Override
-    public void onClick(DialogInterface dialog, int whichButton) {}
+    public void onClick(DialogInterface dialog, int whichButton) {
+        if (whichButton == DialogInterface.BUTTON_POSITIVE) {
+            mCredential = mCredentials[0];
+            mSigninButtonClicked = true;
+        }
+    }
 
     @Override
     public void onDismiss(DialogInterface dialog) {
         if (!mWasDismissedByNative) {
             if (mCredential != null) {
-                nativeOnCredentialClicked(
-                        mNativeAccountChooserDialog, mCredential.getIndex(), mCredential.getType());
+                nativeOnCredentialClicked(mNativeAccountChooserDialog, mCredential.getIndex(),
+                        mCredential.getType(), mSigninButtonClicked);
             } else {
                 nativeCancelDialog(mNativeAccountChooserDialog);
             }
@@ -218,8 +235,8 @@ public class AccountChooserDialog
         destroy();
     }
 
-    private native void nativeOnCredentialClicked(
-            long nativeAccountChooserDialogAndroid, int credentialId, int credentialType);
+    private native void nativeOnCredentialClicked(long nativeAccountChooserDialogAndroid,
+            int credentialId, int credentialType, boolean signinButtonClicked);
     private native void nativeCancelDialog(long nativeAccountChooserDialogAndroid);
     private native void nativeDestroy(long nativeAccountChooserDialogAndroid);
     private native void nativeOnLinkClicked(long nativeAccountChooserDialogAndroid);