Fix an issue that external protocol in subframes are not handled on Android

chrome/android/java/src/org/chromium/chrome/browser/externalnav/ExternalNavigationParams.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.externalnav;
 
 import org.chromium.chrome.browser.Tab;
 import org.chromium.chrome.browser.tab.TabRedirectHandler;
 import org.chromium.chrome.browser.tab.TransitionPageHelper;
 
@@ skipping 26 matching lines @@
     private final TransitionPageHelper mTransitionPageHelper;
 
     private final Tab mTab;
 
     /** Whether the intent should force a new tab to open. */
     private final boolean mOpenInNewTab;
 
     /** Whether this navigation happens in background tab. */
     private final boolean mIsBackgroundTabNavigation;
 
+    /** Whether this navigation happens in main frame. */
+    private final boolean mIsMainFrame;
+
     private ExternalNavigationParams(String url, boolean isIncognito, String referrerUrl,
             int pageTransition, boolean isRedirect, boolean appMustBeInForeground,
             TabRedirectHandler redirectHandler, TransitionPageHelper transitionPageHelper, Tab tab,
-            boolean openInNewTab, boolean isBackgroundTabNavigation) {
+            boolean openInNewTab, boolean isBackgroundTabNavigation, boolean isMainFrame) {
         mUrl = url;
         mIsIncognito = isIncognito;
         mPageTransition = pageTransition;
         mReferrerUrl = referrerUrl;
         mIsRedirect = isRedirect;
         mApplicationMustBeInForeground = appMustBeInForeground;
         mRedirectHandler = redirectHandler;
         mTransitionPageHelper = transitionPageHelper;
         mTab = tab;
         mOpenInNewTab = openInNewTab;
         mIsBackgroundTabNavigation = isBackgroundTabNavigation;
+        mIsMainFrame = isMainFrame;
     }
 
     /** @return The URL to potentially open externally. */
     public String getUrl() {
         return mUrl;
     }
 
     /** @return Whether we are currently in incognito mode. */
     public boolean isIncognito() {
         return mIsIncognito;
@@ skipping 40 matching lines @@
      */
     public boolean isOpenInNewTab() {
         return mOpenInNewTab;
     }
 
     /** @return Whether this navigation happens in background tab. */
     public boolean isBackgroundTabNavigation() {
         return mIsBackgroundTabNavigation;
     }
 
+    /** @return Whether this navigation happens in main frame. */
+    public boolean isMainFrame() {
+        return mIsMainFrame;
+    }
+
     /** The builder for {@link ExternalNavigationParams} objects. */
     public static class Builder {
         /** The URL which we are navigating to. */
         private String mUrl;
 
         /** Whether we are currently in an incognito context. */
         private boolean mIsIncognito;
 
         /** The referrer URL for the current navigation. */
         private String mReferrerUrl;
@@ skipping 14 matching lines @@
         private TransitionPageHelper mTransitionPageHelper;
 
         private Tab mTab;
 
         /** Whether the intent should force a new tab to open. */
         private boolean mOpenInNewTab;
 
         /** Whether this navigation happens in background tab. */
         private boolean mIsBackgroundTabNavigation;
 
+        /** Whether this navigation happens in main frame. */
+        private boolean mIsMainFrame;
+
         public Builder(String url, boolean isIncognito) {
             mUrl = url;
             mIsIncognito = isIncognito;
         }
 
         public Builder(String url, boolean isIncognito, String referrer, int pageTransition,
                 boolean isRedirect) {
             mUrl = url;
             mIsIncognito = isIncognito;
             mReferrerUrl = referrer;
@@ skipping 30 matching lines @@
             mOpenInNewTab = v;
             return this;
         }
 
         /** Sets whether this navigation happens in background tab. */
         public Builder setIsBackgroundTabNavigation(boolean v) {
             mIsBackgroundTabNavigation = v;
             return this;
         }
 
+        /** Sets whether this navigation happens in main frame. */
+        public Builder setIsMainFrame(boolean v) {
+            mIsMainFrame = v;
+            return this;
+        }
+
         /** @return A fully constructed {@link ExternalNavigationParams} object. */
         public ExternalNavigationParams build() {
             return new ExternalNavigationParams(mUrl, mIsIncognito, mReferrerUrl, mPageTransition,
                     mIsRedirect, mApplicationMustBeInForeground, mRedirectHandler,
-                    mTransitionPageHelper, mTab, mOpenInNewTab, mIsBackgroundTabNavigation);
+                    mTransitionPageHelper, mTab, mOpenInNewTab, mIsBackgroundTabNavigation,
+                    mIsMainFrame);
         }
     }
 }