Finishes removing intptr_t from raw object fields.

runtime/vm/snapshot.h

Index: runtime/vm/snapshot.h
===================================================================
--- runtime/vm/snapshot.h	(revision 40039)
+++ runtime/vm/snapshot.h	(working copy)
@@ -93,8 +93,8 @@
   kObjectId = 0x3,
 };
 static const int8_t kHeaderTagBits = 2;
-static const int8_t kObjectIdBits = (kBitsPerWord - (kHeaderTagBits + 1));
-static const intptr_t kMaxObjectId = (kUwordMax >> (kHeaderTagBits + 1));
+static const int8_t kObjectIdBits = (kBitsPerInt32 - (kHeaderTagBits + 1));
+static const intptr_t kMaxObjectId = (kMaxUint32 >> (kHeaderTagBits + 1));
 
 
 class SerializedHeaderTag : public BitField<enum SerializedHeaderType,
@@ -187,13 +187,6 @@
     return ReadStream::Raw<sizeof(T), T>::Read(&stream_);
   }
 
-  // Reads an intptr_t type value.
-  intptr_t ReadIntptrValue() {
-    int64_t value = Read<int64_t>();
-    ASSERT((value <= kIntptrMax) && (value >= kIntptrMin));
-    return static_cast<intptr_t>(value);
-  }
-
   intptr_t ReadRawPointerValue() {
     int64_t value = Read<int64_t>();
     return static_cast<intptr_t>(value);
@@ -440,12 +433,6 @@
     WriteStream::Raw<sizeof(T), T>::Write(&stream_, value);
   }
 
-  // Writes an intptr_t type value out.
-  void WriteIntptrValue(intptr_t value) {
-    ASSERT((value >= kMinInt32) && (value <= kMaxInt32));
-    Write<int64_t>(value);
-  }
-
   void WriteRawPointerValue(intptr_t value) {
     Write<int64_t>(value);
   }
@@ -457,7 +444,7 @@
     intptr_t value = 0;
     value = SerializedHeaderTag::update(kObjectId, value);
     value = SerializedHeaderData::update(object_id, value);
-    WriteIntptrValue(value);
+    Write<int32_t>(value);
   }
 
   // Write a VM Isolateobject that is serialized as an Id.
@@ -466,7 +453,7 @@
     intptr_t value = 0;
     value = SerializedHeaderTag::update(kObjectId, value);
     value = SerializedHeaderData::update(object_id, value);
-    WriteIntptrValue(-value);  // Write as a negative value.
+    Write<int32_t>(-value);  // Write as a negative value.
   }
 
   // Write serialization header information for an object.
@@ -475,7 +462,7 @@
     intptr_t value = 0;
     value = SerializedHeaderTag::update(kInlined, value);
     value = SerializedHeaderData::update(id, value);
-    WriteIntptrValue(value);
+    Write<int32_t>(value);
   }
 
   void WriteTags(intptr_t tags) {