CpuProfiler: replace raw position with SourcePosition for DeoptReason

src/compiler.h

 // Copyright 2012 the V8 project 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 V8_COMPILER_H_
 #define V8_COMPILER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/bailout-reason.h"
@@ skipping 21 matching lines @@
 
 // This class encapsulates encoding and decoding of sources positions from
 // which hydrogen values originated.
 // When FLAG_track_hydrogen_positions is set this object encodes the
 // identifier of the inlining and absolute offset from the start of the
 // inlined function.
 // When the flag is not set we simply track absolute offset from the
 // script start.
 class SourcePosition {
  public:
-  SourcePosition(const SourcePosition& other) : value_(other.value_) {}
-
-  static SourcePosition Unknown() { return SourcePosition(kNoPosition); }
+  static SourcePosition Unknown() {
+    return SourcePosition::FromRaw(kNoPosition);
+  }
 
   bool IsUnknown() const { return value_ == kNoPosition; }
 
   uint32_t position() const { return PositionField::decode(value_); }
   void set_position(uint32_t position) {
     if (FLAG_hydrogen_track_positions) {
       value_ = static_cast<uint32_t>(PositionField::update(value_, position));
     } else {
       value_ = position;
     }
@@ skipping 10 matching lines @@
   uint32_t raw() const { return value_; }
 
  private:
   static const uint32_t kNoPosition =
       static_cast<uint32_t>(RelocInfo::kNoPosition);
   typedef BitField<uint32_t, 0, 9> InliningIdField;
 
   // Offset from the start of the inlined function.
   typedef BitField<uint32_t, 9, 23> PositionField;
 
-  explicit SourcePosition(uint32_t value) : value_(value) {}
+  friend class HPositionInfo;
+  friend class Deoptimizer;
 
-  friend class HPositionInfo;
-  friend class LCodeGenBase;
+  static SourcePosition FromRaw(uint32_t raw_position) {
+    SourcePosition position;
+    position.value_ = raw_position;
+    return position;
+  }
 
   // If FLAG_hydrogen_track_positions is set contains bitfields InliningIdField
   // and PositionField.
   // Otherwise contains absolute offset from the script start.
   uint32_t value_;
 };
 
 
 std::ostream& operator<<(std::ostream& os, const SourcePosition& p);
 
@@ skipping 769 matching lines @@
   Zone zone_;
   size_t info_zone_start_allocation_size_;
   base::ElapsedTimer timer_;
 
   DISALLOW_COPY_AND_ASSIGN(CompilationPhase);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_COMPILER_H_