Clear the clipboard closing Incognito window

ui/base/clipboard/clipboard_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 "ui/base/clipboard/clipboard.h"
 
 #include "base/android/jni_string.h"
 #include "base/lazy_instance.h"
 #include "base/stl_util.h"
 #include "base/synchronization/lock.h"
@@ skipping 22 matching lines @@
 namespace {
 // Various formats we support.
 const char kPlainTextFormat[] = "text";
 const char kHTMLFormat[] = "html";
 const char kRTFFormat[] = "rtf";
 const char kBitmapFormat[] = "bitmap";
 const char kWebKitSmartPasteFormat[] = "webkit_smart";
 const char kBookmarkFormat[] = "bookmark";
 const char kMimeTypePepperCustomData[] = "chromium/x-pepper-custom-data";
 const char kMimeTypeWebCustomData[] = "chromium/x-web-custom-data";
+const char kSourceTagFormat[] = "source_tag";
 
 class ClipboardMap {
  public:
   ClipboardMap();
   std::string Get(const std::string& format);
   bool HasFormat(const std::string& format);
   void Set(const std::string& format, const std::string& data);
   void Clear();
 
  private:
@@ skipping 138 matching lines @@
   return data_ == other.data_;
 }
 
 Clipboard::Clipboard() {
 }
 
 Clipboard::~Clipboard() {
 }
 
 // Main entry point used to write several values in the clipboard.
-void Clipboard::WriteObjects(Buffer buffer, const ObjectMap& objects) {
+void Clipboard::WriteObjectsImpl(Buffer buffer,
+                                 const ObjectMap& objects,
+                                 SourceTag tag) {
   DCHECK_EQ(buffer, BUFFER_STANDARD);
   g_map.Get().Clear();
   for (ObjectMap::const_iterator iter = objects.begin();
        iter != objects.end(); ++iter) {
     DispatchObject(static_cast<ObjectType>(iter->first), iter->second);
   }
+  WriteSourceTag(tag);
 }
 
 uint64 Clipboard::GetSequenceNumber(Clipboard::Buffer /* buffer */) {
   // TODO: implement this. For now this interface will advertise
   // that the clipboard never changes. That's fine as long as we
   // don't rely on this signal.
   return 0;
 }
 
 bool Clipboard::IsFormatAvailable(const Clipboard::FormatType& format,
@@ skipping 85 matching lines @@
 
 void Clipboard::ReadBookmark(string16* title, std::string* url) const {
   NOTIMPLEMENTED();
 }
 
 void Clipboard::ReadData(const Clipboard::FormatType& format,
                          std::string* result) const {
   *result = g_map.Get().Get(format.data());
 }
 
+Clipboard::SourceTag Clipboard::ReadSourceTag(Buffer buffer) const {
+  DCHECK_EQ(buffer, BUFFER_STANDARD);
+  std::string result;
+  ReadData(GetSourceTagFormatType(), &result);
+  return Binary2SourceTag(result);
+}
+
 // static
 Clipboard::FormatType Clipboard::GetFormatType(
     const std::string& format_string) {
   return FormatType::Deserialize(format_string);
 }
 
 // static
 const Clipboard::FormatType& Clipboard::GetPlainTextFormatType() {
   CR_DEFINE_STATIC_LOCAL(FormatType, type, (kPlainTextFormat));
   return type;
@@ skipping 34 matching lines @@
   CR_DEFINE_STATIC_LOCAL(FormatType, type, (kMimeTypeWebCustomData));
   return type;
 }
 
 // static
 const Clipboard::FormatType& Clipboard::GetPepperCustomDataFormatType() {
   CR_DEFINE_STATIC_LOCAL(FormatType, type, (kMimeTypePepperCustomData));
   return type;
 }
 
+// static
+const Clipboard::FormatType& Clipboard::GetSourceTagFormatType() {
+  CR_DEFINE_STATIC_LOCAL(FormatType, type, (kSourceTagFormat));
+  return type;
+}
+
 void Clipboard::WriteText(const char* text_data, size_t text_len) {
   g_map.Get().Set(kPlainTextFormat, std::string(text_data, text_len));
 }
 
 void Clipboard::WriteHTML(const char* markup_data,
                           size_t markup_len,
                           const char* url_data,
                           size_t url_len) {
   g_map.Get().Set(kHTMLFormat, std::string(markup_data, markup_len));
 }
@@ skipping 26 matching lines @@
   std::string packed(size_data, sizeof(gfx::Size));
   packed += std::string(pixel_data, bm_size);
   g_map.Get().Set(kBitmapFormat, packed);
 }
 
 void Clipboard::WriteData(const Clipboard::FormatType& format,
                           const char* data_data, size_t data_len) {
   g_map.Get().Set(format.data(), std::string(data_data, data_len));
 }
 
+void Clipboard::WriteSourceTag(SourceTag tag) {
+  if (tag != SourceTag()) {
+    ObjectMapParam binary = SourceTag2Binary(tag);
+    WriteData(GetSourceTagFormatType(), &binary[0], binary.size());
+  }
+}
+
 } // namespace ui