Implemented GetWindowSnapshot on RenderViewImpl

ui/snapshot/snapshot_ios.mm

Index: ui/snapshot/snapshot_ios.mm
diff --git a/ui/snapshot/snapshot_ios.mm b/ui/snapshot/snapshot_ios.mm
new file mode 100644
index 0000000000000000000000000000000000000000..b373a0367b538cde942bec6de06b133daf4b99d5
--- /dev/null
+++ b/ui/snapshot/snapshot_ios.mm
@@ -0,0 +1,25 @@
+// 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 "ui/snapshot/snapshot.h"
+
+#include "ui/gfx/rect.h"
+
+namespace ui {
+
+bool GrabViewSnapshot(gfx::NativeView view,
+                      std::vector<unsigned char>* png_representation,
+                      const gfx::Rect& snapshot_bounds) {
+  // TODO(bajones): Implement iOS snapshot functionality
+  return false;
+}
+
+bool GrabWindowSnapshot(gfx::NativeWindow window,
+                        std::vector<unsigned char>* png_representation,
+                        const gfx::Rect& snapshot_bounds) {
+  // TODO(bajones): Implement iOS snapshot functionality
+  return false;
+}
+
+}  // namespace ui