Initial implementation of an IPC adapter to expose Chrome IPC to Native Client.

base/pickle.h

Index: base/pickle.h
diff --git a/base/pickle.h b/base/pickle.h
index baa20f6d88d5741d30ea34d6e933f634d1ef2f8d..2420f756270df665b2f164a5b4ff630779889a0f 100644
--- a/base/pickle.h
+++ b/base/pickle.h
@@ -257,15 +257,16 @@ class BASE_EXPORT Pickle {
     return static_cast<const T*>(header_);
   }
 
- protected:
+  // The payload is the pickle data immediately following the header.
   size_t payload_size() const { return header_->payload_size; }
+  const char* payload() const {
+    return reinterpret_cast<const char*>(header_) + header_size_;
+  }
 
+ protected:
   char* payload() {
     return reinterpret_cast<char*>(header_) + header_size_;
   }
-  const char* payload() const {
-    return reinterpret_cast<const char*>(header_) + header_size_;
-  }
 
   // Returns the address of the byte immediately following the currently valid
   // header + payload.