Convert WindowOpenDisposition to an enum class.

components/web_contents_delegate_android/web_contents_delegate_android.cc

Index: components/web_contents_delegate_android/web_contents_delegate_android.cc
diff --git a/components/web_contents_delegate_android/web_contents_delegate_android.cc b/components/web_contents_delegate_android/web_contents_delegate_android.cc
index 61710e69475574f18c63175a494e75b33e7caab8..7d6c23a631d2039eff8a82c5f89a561326f22623 100644
--- a/components/web_contents_delegate_android/web_contents_delegate_android.cc
+++ b/components/web_contents_delegate_android/web_contents_delegate_android.cc
@@ -69,10 +69,10 @@ WebContents* WebContentsDelegateAndroid::OpenURLFromTab(
   const GURL& url = params.url;
   WindowOpenDisposition disposition = params.disposition;
 
-  if (!source || (disposition != CURRENT_TAB &&
-                  disposition != NEW_FOREGROUND_TAB &&
-                  disposition != NEW_BACKGROUND_TAB &&
-                  disposition != OFF_THE_RECORD)) {
+  if (!source || (disposition != WindowOpenDisposition::CURRENT_TAB &&
+                  disposition != WindowOpenDisposition::NEW_FOREGROUND_TAB &&
+                  disposition != WindowOpenDisposition::NEW_BACKGROUND_TAB &&
+                  disposition != WindowOpenDisposition::OFF_THE_RECORD)) {
     NOTIMPLEMENTED();
     return NULL;
   }
@@ -82,9 +82,9 @@ WebContents* WebContentsDelegateAndroid::OpenURLFromTab(
   if (obj.is_null())
     return WebContentsDelegate::OpenURLFromTab(source, params);
 
-  if (disposition == NEW_FOREGROUND_TAB ||
-      disposition == NEW_BACKGROUND_TAB ||
-      disposition == OFF_THE_RECORD) {
+  if (disposition == WindowOpenDisposition::NEW_FOREGROUND_TAB ||
+      disposition == WindowOpenDisposition::NEW_BACKGROUND_TAB ||
+      disposition == WindowOpenDisposition::OFF_THE_RECORD) {
     JNIEnv* env = AttachCurrentThread();
     ScopedJavaLocalRef<jstring> java_url =
         ConvertUTF8ToJavaString(env, url.spec());
@@ -94,8 +94,8 @@ WebContents* WebContentsDelegateAndroid::OpenURLFromTab(
     if (params.uses_post && params.post_data)
       post_data = params.post_data->ToJavaObject(env);
     Java_WebContentsDelegateAndroid_openNewTab(
-        env, obj, java_url, extra_headers, post_data, disposition,
-        params.is_renderer_initiated);
+        env, obj, java_url, extra_headers, post_data,
+        static_cast<int>(disposition), params.is_renderer_initiated);
     return NULL;
   }