Revert "Revert 158067 - Remove native side of content_view_client"

content/browser/android/content_view_client.h

-// Copyright (c) 2012 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.
-
-#ifndef CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CLIENT_H_
-#define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CLIENT_H_
-
-#include "base/android/jni_helper.h"
-#include "base/compiler_specific.h"
-#include "content/public/browser/native_web_keyboard_event.h"
-#include "content/public/common/referrer.h"
-#include "googleurl/src/gurl.h"
-#include "net/base/net_errors.h"
-
-namespace content {
-
-class DownloadItem;
-class JavaScriptDialogCreator;
-struct NativeWebKeyboardEvent;
-class RenderViewHost;
-class WebContents;
-
-// These enums must be kept in sync with ContentViewClient.java
-enum ContentViewClientError {
-  // Success
-  CONTENT_VIEW_CLIENT_ERROR_OK = 0,
-  // Generic error
-  CONTENT_VIEW_CLIENT_ERROR_UNKNOWN = -1,
-  // Server or proxy hostname lookup failed
-  CONTENT_VIEW_CLIENT_ERROR_HOST_LOOKUP = -2,
-  // Unsupported authentication scheme (not basic or digest)
-  CONTENT_VIEW_CLIENT_ERROR_UNSUPPORTED_AUTH_SCHEME = -3,
-  // User authentication failed on server
-  CONTENT_VIEW_CLIENT_ERROR_AUTHENTICATION = -4,
-  // User authentication failed on proxy
-  CONTENT_VIEW_CLIENT_ERROR_PROXY_AUTHENTICATION = -5,
-  // Failed to connect to the server
-  CONTENT_VIEW_CLIENT_ERROR_CONNECT = -6,
-  // Failed to read or write to the server
-  CONTENT_VIEW_CLIENT_ERROR_IO = -7,
-  // Connection timed out
-  CONTENT_VIEW_CLIENT_ERROR_TIMEOUT = -8,
-  // Too many redirects
-  CONTENT_VIEW_CLIENT_ERROR_REDIRECT_LOOP = -9,
-  // Unsupported URI scheme
-  CONTENT_VIEW_CLIENT_ERROR_UNSUPPORTED_SCHEME = -10,
-  // Failed to perform SSL handshake
-  CONTENT_VIEW_CLIENT_ERROR_FAILED_SSL_HANDSHAKE = -11,
-  // Malformed URL
-  CONTENT_VIEW_CLIENT_ERROR_BAD_URL = -12,
-  // Generic file error
-  CONTENT_VIEW_CLIENT_ERROR_FILE = -13,
-  // File not found
-  CONTENT_VIEW_CLIENT_ERROR_FILE_NOT_FOUND = -14,
-  // Too many requests during this load
-  CONTENT_VIEW_CLIENT_ERROR_TOO_MANY_REQUESTS = -15,
-};
-
-// Native mirror of ContentViewClient.java.  Used as a client of
-// ContentView, the main FrameLayout on Android.
-// TODO(joth): Delete this C++ class, to make it Java-only. All the callbacks
-// defined here originate in WebContentsObserver; we should have a dedicated
-// bridge class for that rather than overloading ContentViewClient with this.
-// See http://crbug.com/137967
-class ContentViewClient {
- public:
-  ContentViewClient(JNIEnv* env, jobject obj);
-  ~ContentViewClient();
-
-  static ContentViewClient* CreateNativeContentViewClient(JNIEnv* env,
-                                                          jobject obj);
-
-  // Called by ContentView:
-  void OnPageStarted(const GURL& url);
-  void OnPageFinished(const GURL& url);
-  void OnLoadStarted();
-  void OnLoadStopped();
-  void OnReceivedError(int error_code,
-                       const string16& description,
-                       const GURL& url);
-  void OnDidCommitMainFrame(const GURL& url,
-                            const GURL& base_url);
-  void OnInterstitialShown();
-  void OnInterstitialHidden();
-
- private:
-  // Get the closest ContentViewClient match to the given Chrome error code.
-  static ContentViewClientError ToContentViewClientError(int net_error);
-
-  // We depend on ContentView.java to hold a ref to the client object. If we
-  // were to hold a hard ref from native we could end up with a cyclic
-  // ownership leak (the GC can't collect cycles if part of the cycle is caused
-  // by native).
-  JavaObjectWeakGlobalRef weak_java_client_;
-};
-
-bool RegisterContentViewClient(JNIEnv* env);
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CLIENT_H_