New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/drape/attribute_buffer_mutator.cpp

@@ -0,0 +1,25 @@
+#include "drape/attribute_buffer_mutator.hpp"
+
+namespace dp
+{
+AttributeBufferMutator::~AttributeBufferMutator()
+{
+  SharedBufferManager & mng = SharedBufferManager::instance();
+  for (size_t i = 0; i < m_array.size(); ++i)
+  {
+    TBufferNode & node = m_array[i];
+    mng.freeSharedBuffer(node.second, node.first);
+  }
+}
+
+void AttributeBufferMutator::AddMutation(BindingInfo const & info, MutateNode const & node)
+{
+  m_data[info].push_back(node);
+}
+
+void * AttributeBufferMutator::AllocateMutationBuffer(size_t byteCount)
+{
+  m_array.push_back(make_pair(SharedBufferManager::instance().reserveSharedBuffer(byteCount), byteCount));
+  return &((*m_array.back().first)[0]);
+}
+}  // namespace dp