Create BaseWindow and ExtensionWindowWrapper for extension API access to Panels

chrome/browser/extensions/extension_window_list.cc

Index: chrome/browser/extensions/extension_window_list.cc
diff --git a/chrome/browser/extensions/extension_window_list.cc b/chrome/browser/extensions/extension_window_list.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f0a5ac0327843508e24acfaf527120e35b376b85
--- /dev/null
+++ b/chrome/browser/extensions/extension_window_list.cc
@@ -0,0 +1,67 @@
+// Copyright (c) 2011 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/extensions/extension_window_list.h"
+
+#include <algorithm>
+
+#include "chrome/browser/sessions/session_id.h"
+#include "chrome/browser/ui/base_window.h"
+
+///////////////////////////////////////////////////////////////////////////////
+// ExtensionWindowList
+
+// static
+ExtensionWindowList* ExtensionWindowList::GetInstance() {
+  return Singleton<ExtensionWindowList>::get();
+}
+
+ExtensionWindowList::ExtensionWindowList() {
+}
+
+ExtensionWindowList::~ExtensionWindowList() {
+}
+
+void ExtensionWindowList::AddExtensionWindow(
+    ExtensionWindowController* window) {
+  windows_.push_back(window);
+}
+
+void ExtensionWindowList::RemoveExtensionWindow(
+    ExtensionWindowController* window) {
+  WindowList::iterator iter = std::find(
+      windows_.begin(), windows_.end(), window);
+  if (iter != windows_.end())
+    windows_.erase(iter);
+}
+
+ExtensionWindowController* ExtensionWindowList::FindWindowById(
+    Profile* profile,
+    ProfileMatchType match_type,
+    int id) const {
+  for (WindowList::const_iterator iter = windows().begin();
+       iter != windows().end(); ++iter) {
+    if ((*iter)->MatchesProfile(profile, match_type)) {
+      if ((*iter)->GetSessionId().id() == id)
+        return *iter;
+    }
+  }
+  return NULL;
+}
+
+ExtensionWindowController* ExtensionWindowList::CurrentWindow(
+    Profile* profile,
+    ProfileMatchType match_type) const {
+  ExtensionWindowController* result = NULL;
+  // Returns either the focused window (if any), or the last window in the list.
+  for (WindowList::const_iterator iter = windows().begin();
+       iter != windows().end(); ++iter) {
+    if ((*iter)->MatchesProfile(profile, match_type)) {
+      result = *iter;
+      if (result->window()->IsActive())
+        break;  // use focused window
+    }
+  }
+  return result;
+}