Updating DCHECK() to DCHECK_GE() in base/ dir

base/mach_ipc_mac.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
 #ifndef BASE_MACH_IPC_MAC_H_
 #define BASE_MACH_IPC_MAC_H_
 #pragma once
 
 #include <mach/mach.h>
 #include <mach/message.h>
 #include <servers/bootstrap.h>
@@ skipping 121 matching lines @@
 //  plus data must be less than 1024.  But as a benefit no memory allocation is
 //  necessary.
 //  2. For external storage, a buffer of at least EmptyMessageSize() must be
 //  provided.
 //
 //  A MachMessage object is used by ReceivePort::WaitForMessage
 //  and MachPortSender::SendMessage
 //
 class MachMessage {
  public:
+  static const size_t kEmptyMessageSize;
 
   virtual ~MachMessage();
 
   // The receiver of the message can retrieve the raw data this way
   u_int8_t *GetData() {
     return GetDataLength() > 0 ? GetDataPacket()->data : NULL;
   }
 
   u_int32_t GetDataLength() {
     return EndianU32_LtoN(GetDataPacket()->data_length);
@@ skipping 49 matching lines @@
   void SetDescriptorCount(int n);
   void SetDescriptor(int n, const MachMsgPortDescriptor &desc);
 
   // Returns total message size setting msgh_size in the header to this value
   int CalculateSize();
 
   // Returns total storage size that this object can grow to, this is inclusive
   // of the Mach header.
   size_t MaxSize() const { return storage_length_bytes_; }
 
- protected:
   mach_msg_header_t *Head() { return &(storage_->head); }
 
  private:
   struct MachMessageData {
     mach_msg_header_t  head;
     mach_msg_body_t    body;
     // descriptors and data may be embedded here.
     u_int8_t           padding[1024];
   };
 
- // kEmptyMessageSize needs to have the definition of MachMessageData before
- // it.
- public:
-   // The size of an empty message with no data.
-  static const size_t kEmptyMessageSize = sizeof(mach_msg_header_t) +
-                                          sizeof(mach_msg_body_t) +
-                                          sizeof(MessageDataPacket);
-
- private:
   MachMessageData *storage_;
   size_t storage_length_bytes_;
   bool own_storage_;  // Is storage owned by this object?
 };
 
 //==============================================================================
 // MachReceiveMessage and MachSendMessage are useful to separate the idea
 // of a Mach message being sent and being received, and adds increased type
 // safety:
 //  ReceivePort::WaitForMessage() only accepts a MachReceiveMessage
@@ skipping 71 matching lines @@
  private:
   mach_port_t   send_port_;
   kern_return_t init_result_;
 
   DISALLOW_COPY_AND_ASSIGN(MachPortSender);
 };
 
 }  // namespace base
 
 #endif // BASE_MACH_IPC_MAC_H_