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 47e3bf6af67cd7dec4eb24083cd5064159854722..449fed1c076e898537266fd28ebc90172dc96003 100644
--- a/base/pickle.h
+++ b/base/pickle.h
@@ -259,15 +259,16 @@ 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.