Make some foo.h headers usable without foo-inl.h header.

src/layout-descriptor.h

 // Copyright 2014 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_LAYOUT_DESCRIPTOR_H_
 #define V8_LAYOUT_DESCRIPTOR_H_
 
 #include <iosfwd>
 
 #include "src/objects.h"
@@ skipping 106 matching lines @@
       DescriptorArray* descriptors, int num_descriptors);
 
   static Handle<LayoutDescriptor> EnsureCapacity(
       Isolate* isolate, Handle<LayoutDescriptor> layout_descriptor,
       int new_capacity);
 
   // Returns false if requested field_index is out of bounds.
   V8_INLINE bool GetIndexes(int field_index, int* layout_word_index,
                             int* layout_bit_index);
 
-  V8_INLINE MUST_USE_RESULT LayoutDescriptor* SetRawData(int field_index) {
-    return SetTagged(field_index, false);
-  }
+  V8_INLINE MUST_USE_RESULT LayoutDescriptor* SetRawData(int field_index);
 
   V8_INLINE MUST_USE_RESULT LayoutDescriptor* SetTagged(int field_index,
                                                         bool tagged);
 };
 
 
 // LayoutDescriptorHelper is a helper class for querying layout descriptor
 // about whether the field at given offset is tagged or not.
 class LayoutDescriptorHelper {
  public:
@@ skipping 12 matching lines @@
 
  private:
   bool all_fields_tagged_;
   int header_size_;
   LayoutDescriptor* layout_descriptor_;
 };
 }
 }  // namespace v8::internal
 
 #endif  // V8_LAYOUT_DESCRIPTOR_H_