Merge the classes Debug and Debugger.

src/arm/assembler-arm.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 1335 matching lines @@
   void RecordComment(const char* msg);
 
   // Record the emission of a constant pool.
   //
   // The emission of constant pool depends on the size of the code generated and
   // the number of RelocInfo recorded.
   // The Debug mechanism needs to map code offsets between two versions of a
   // function, compiled with and without debugger support (see for example
   // Debug::PrepareForBreakPoints()).
   // Compiling functions with debugger support generates additional code
-  // (Debug::GenerateSlot()). This may affect the emission of the constant
-  // pools and cause the version of the code with debugger support to have
-  // constant pools generated in different places.
+  // (DebugCodegen::GenerateSlot()). This may affect the emission of the
+  // constant pools and cause the version of the code with debugger support to
+  // have constant pools generated in different places.
   // Recording the position and size of emitted constant pools allows to
   // correctly compute the offset mappings between the different versions of a
   // function in all situations.
   //
   // The parameter indicates the size of the constant pool (in bytes), including
   // the marker and branch over the data.
   void RecordConstPool(int size);
 
   // Writes a single byte or word of data in the code stream.  Used
   // for inline tables, e.g., jump-tables. The constant pool should be
@@ skipping 260 matching lines @@
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBuffer();
   }
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_H_