1 files changed, 48 insertions, 0 deletions
diff --git a/android_webview/common/renderer_picture_map.cc b/android_webview/common/renderer_picture_map.cc
new file mode 100644
index 0000000..f5e9e03
--- /dev/null
+++ b/android_webview/common/renderer_picture_map.cc
@@ -0,0 +1,48 @@
+// 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 "android_webview/common/renderer_picture_map.h"
+
+using base::AutoLock;
+
+namespace android_webview {
+
+static RendererPictureMap* g_renderer_picture_map = NULL;
+
+// static
+void RendererPictureMap::CreateInstance() {
+  if (!g_renderer_picture_map)
+    g_renderer_picture_map = new RendererPictureMap();
+}
+
+// static
+RendererPictureMap* RendererPictureMap::GetInstance() {
+  DCHECK(g_renderer_picture_map);
+  return g_renderer_picture_map;
+}
+
+RendererPictureMap::RendererPictureMap() {
+}
+
+RendererPictureMap::~RendererPictureMap() {
+}
+
+scoped_refptr<cc::PicturePileImpl> RendererPictureMap::GetRendererPicture(
+    int id) {
+  AutoLock lock(lock_);
+  return picture_map_[id];
+}
+
+void RendererPictureMap::SetRendererPicture(int id,
+    scoped_refptr<cc::PicturePileImpl> picture) {
+  AutoLock lock(lock_);
+  picture_map_[id] = picture;
+}
+
+void RendererPictureMap::ClearRendererPicture(int id) {
+  AutoLock lock(lock_);
+  picture_map_.erase(id);
+}
+
+}  // android_webview