Implement form resubmission warning for Android.

chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java

Index: chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java
diff --git a/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java b/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java
index 0152f75c09548af8374ada6f6a2edc7f33bbdadc..d480ca4bc5452280232f37956a5d8dccf3526227 100644
--- a/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java
+++ b/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java
@@ -66,8 +66,9 @@ public class TestShellTab extends TabBase {
     /**
      * Navigates this Tab's {@link ContentView} to a sanitized version of {@code url}.
      * @param url The potentially unsanitized URL to navigate to.
+     * @param postData Optional data to be sent via POST.
      */
-    public void loadUrlWithSanitization(String url) {
+    public void loadUrlWithSanitization(String url, byte[] postData) {
         if (url == null) return;
 
         // Sanitize the URL.
@@ -80,10 +81,22 @@ public class TestShellTab extends TabBase {
         if (TextUtils.equals(url, contentView.getUrl())) {
             contentView.reload();
         } else {
-            contentView.loadUrl(new LoadUrlParams(url));
+            if (postData == null) {
+                contentView.loadUrl(new LoadUrlParams(url));
+            } else {
+                contentView.loadUrl(LoadUrlParams.createLoadHttpPostParams(url, postData));
+            }
         }
     }
 
+    /**
+     * Navigates this Tab's {@link ContentView} to a sanitized version of {@code url}.
+     * @param url The potentially unsanitized URL to navigate to.
+     */
+    public void loadUrlWithSanitization(String url) {
+        loadUrlWithSanitization(url, null);
+    }
+
     @Override
     protected TabBaseChromeWebContentsDelegateAndroid createWebContentsDelegate() {
         return new TestShellTabBaseChromeWebContentsDelegateAndroid();