Move navigation and frame tree classes to a new frame_host/ directory.

This CL moves all frame tree classes, Navigation* and its dependencies from web_contents/ to a separate frame_host/ directory.

BUG=304341

Review URL: https://codereview.chromium.org/49823002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@231921 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 79 insertions, 0 deletions

diff --git a/content/browser/frame_host/navigation_controller_delegate.h b/content/browser/frame_host/navigation_controller_delegate.h
new file mode 100644
index 0000000..cb3204c
--- /dev/null
+++ b/content/browser/frame_host/navigation_controller_delegate.h
@@ -0,0 +1,79 @@
+// Copyright 2013 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_FRAME_HOST_NAVIGATION_CONTROLLER_DELEGATE_H_
+#define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_CONTROLLER_DELEGATE_H_
+
+#include <string>
+#include "content/public/browser/navigation_controller.h"
+#include "content/public/browser/navigation_details.h"
+
+namespace content {
+
+struct LoadCommittedDetails;
+struct LoadNotificationDetails;
+struct NativeWebKeyboardEvent;
+class InterstitialPage;
+class InterstitialPageImpl;
+class RenderViewHost;
+class SiteInstance;
+class WebContents;
+class WebContentsDelegate;
+
+// Interface for objects embedding a NavigationController to provide the
+// functionality NavigationController needs.
+// TODO(nasko): This interface should exist for short amount of time, while
+// we transition navigation code from WebContents to Navigator.
+class NavigationControllerDelegate {
+ public:
+  virtual ~NavigationControllerDelegate() {}
+
+  // Duplicates of WebContents methods.
+  virtual RenderViewHost* GetRenderViewHost() const = 0;
+  virtual InterstitialPage* GetInterstitialPage() const = 0;
+  virtual const std::string& GetContentsMimeType() const = 0;
+  virtual void NotifyNavigationStateChanged(unsigned changed_flags) = 0;
+  virtual void Stop() = 0;
+  virtual SiteInstance* GetSiteInstance() const = 0;
+  virtual SiteInstance* GetPendingSiteInstance() const = 0;
+  virtual int32 GetMaxPageID() = 0;
+  virtual int32 GetMaxPageIDForSiteInstance(SiteInstance* site_instance) = 0;
+  virtual bool IsLoading() const = 0;
+
+  // Methods from WebContentsImpl that NavigationControllerImpl needs to
+  // call.
+  virtual void NotifyBeforeFormRepostWarningShow() = 0;
+  virtual void NotifyNavigationEntryCommitted(
+      const LoadCommittedDetails& load_details) = 0;
+  virtual bool NavigateToPendingEntry(
+      NavigationController::ReloadType reload_type) = 0;
+  virtual void SetHistoryLengthAndPrune(
+      const SiteInstance* site_instance,
+      int merge_history_length,
+      int32 minimum_page_id) = 0;
+  virtual void CopyMaxPageIDsFrom(WebContents* web_contents) = 0;
+  virtual void UpdateMaxPageID(int32 page_id) = 0;
+  virtual void UpdateMaxPageIDForSiteInstance(SiteInstance* site_instance,
+                                              int32 page_id) = 0;
+  virtual void ActivateAndShowRepostFormWarningDialog() = 0;
+
+  // This method is needed, since we are no longer guaranteed that the
+  // embedder for NavigationController will be a WebContents object.
+  virtual WebContents* GetWebContents() = 0;
+
+  // Methods needed by InterstitialPageImpl.
+  virtual bool IsHidden() = 0;
+  virtual void RenderViewForInterstitialPageCreated(
+      RenderViewHost* render_view_host) = 0;
+  virtual void AttachInterstitialPage(
+      InterstitialPageImpl* interstitial_page) = 0;
+  virtual void DetachInterstitialPage() = 0;
+  virtual void SetIsLoading(RenderViewHost* render_view_host,
+                            bool is_loading,
+                            LoadNotificationDetails* details) = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_CONTROLLER_DELEGATE_H_