Revert "Load web contents after tab is created."

This reverts commit 4c55f398def3214369aefa9f2f2e8f5940d3799d.

BUG=432562
TBR=tedchoc@chromium.org,jbudorick@chromium.org,sky@chromium.org

Review URL: https://codereview.chromium.org/894003005

Cr-Commit-Position: refs/heads/master@{#314469}
void WebContentsAndroid::OpenURL(JNIEnv* env,

void WebContentsAndroid::OpenURL(JNIEnv* env,
                                 jobject obj,
                                 jstring url,
                                 jboolean user_gesture,
                                 jboolean is_renderer_initiated) {
  GURL gurl(base::android::ConvertJavaStringToUTF8(env, url));
  OpenURLParams open_params(gurl,
                            Referrer(),
                            CURRENT_TAB,
                            ui::PAGE_TRANSITION_LINK,
                            is_renderer_initiated);
  open_params.user_gesture = user_gesture;
  web_contents_->OpenURL(open_params);
}
