Do not submit: high level overview patch.

chrome/browser/ui/sync/synced_tab_delegate_android.cc

+// 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.
+
+#include "chrome/browser/ui/sync/synced_tab_delegate_android.h"
+
+#include "base/memory/ref_counted.h"
+#include "chrome/browser/android/tab_android.h"
+#include "chrome/browser/extensions/tab_helper.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/sessions/session_tab_helper.h"
+#include "chrome/browser/sync/glue/synced_window_delegate.h"
+#include "chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h"
+#include "chrome/common/extensions/extension.h"
+#include "content/public/browser/navigation_controller.h"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/web_contents.h"
+
+using content::NavigationEntry;
+
+SyncedTabDelegateAndroid::SyncedTabDelegateAndroid(TabAndroid* tab_android)
+    : web_contents_(NULL), tab_android_(tab_android) {}
+
+SyncedTabDelegateAndroid::~SyncedTabDelegateAndroid() {}
+
+void SyncedTabDelegateAndroid::SetWebContents(
+    content::WebContents* web_contents) {
+  web_contents_ = web_contents;
+  TabContentsSyncedTabDelegate::CreateForWebContents(web_contents_);
+}
+
+const SessionID& SyncedTabDelegateAndroid::GetWindowId() const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->GetWindowId();
+}
+
+const SessionID& SyncedTabDelegateAndroid::GetSessionId() const {
+  return tab_android_->id();
+}
+
+int64 SyncedTabDelegateAndroid::GetSyncSessionId() const {
+  if (web_contents_)
+    return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+        ->GetSyncSessionId();
+  return tab_android_->GetSyncSessionId();
+}
+
+void SyncedTabDelegateAndroid::SetSyncSessionId(const int64 sync_id) {
+  tab_android_->SetSyncSessionId(sync_id);
+  TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->SetSyncSessionId(sync_id);
+}
+
+bool SyncedTabDelegateAndroid::IsBeingDestroyed() const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->IsBeingDestroyed();
+}
+
+Profile* SyncedTabDelegateAndroid::profile() const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->profile();
+}
+
+std::string SyncedTabDelegateAndroid::GetExtensionAppId() const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->GetExtensionAppId();
+}
+
+int SyncedTabDelegateAndroid::GetCurrentEntryIndex() const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->GetCurrentEntryIndex();
+}
+
+int SyncedTabDelegateAndroid::GetEntryCount() const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->GetEntryCount();
+}
+
+int SyncedTabDelegateAndroid::GetPendingEntryIndex() const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->GetPendingEntryIndex();
+}
+
+NavigationEntry* SyncedTabDelegateAndroid::GetPendingEntry() const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->GetPendingEntry();
+}
+
+NavigationEntry* SyncedTabDelegateAndroid::GetEntryAtIndex(int i) const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->GetEntryAtIndex(i);
+}
+
+NavigationEntry* SyncedTabDelegateAndroid::GetActiveEntry() const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->GetActiveEntry();
+}
+
+bool SyncedTabDelegateAndroid::IsPinned() const {
+  return TabContentsSyncedTabDelegate::FromWebContents(web_contents_)
+      ->IsPinned();
+}
+
+bool SyncedTabDelegateAndroid::IsTabInMemory() const {
+  return web_contents_ != NULL;
+}