Heap::AllocateStringFromOneByte() and major part of its callers handlified.

src/bootstrapper.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_BOOTSTRAPPER_H_
 #define V8_BOOTSTRAPPER_H_
 
 #include "factory.h"
 
 namespace v8 {
@@ skipping 29 matching lines @@
   }
 
   void Add(Vector<const char> name, Handle<SharedFunctionInfo> shared) {
     Isolate* isolate = shared->GetIsolate();
     Factory* factory = isolate->factory();
     HandleScope scope(isolate);
     int length = cache_->length();
     Handle<FixedArray> new_array = factory->NewFixedArray(length + 2, TENURED);
     cache_->CopyTo(0, *new_array, 0, cache_->length());
     cache_ = *new_array;
-    Handle<String> str = factory->NewStringFromAscii(name, TENURED);
+    Handle<String> str =
+        factory->NewStringFromAscii(name, TENURED).ToHandleChecked();
     ASSERT(!str.is_null());
     cache_->set(length, *str);
     cache_->set(length + 1, *shared);
     Script::cast(shared->script())->set_type(Smi::FromInt(type_));
   }
 
  private:
   Script::Type type_;
   FixedArray* cache_;
   DISALLOW_COPY_AND_ASSIGN(SourceCodeCache);
@@ skipping 100 matching lines @@
   virtual size_t length() const V8_OVERRIDE { return length_; }
 
  private:
   const char* data_;
   size_t length_;
 };
 
 }}  // namespace v8::internal
 
 #endif  // V8_BOOTSTRAPPER_H_