[runtime] Initial step towards switching Execution::Call to callable.

src/execution.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_EXECUTION_H_
 #define V8_EXECUTION_H_
 
 #include "src/allocation.h"
 #include "src/base/atomicops.h"
 #include "src/handles.h"
 #include "src/utils.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class JSRegExp;
 
 class Execution final : public AllStatic {
  public:
   // Call a function, the caller supplies a receiver and an array
-  // of arguments. Arguments are Object* type. After function returns,
-  // pointers in 'args' might be invalid.
+  // of arguments.
   //
-  // *pending_exception tells whether the invoke resulted in
-  // a pending exception.
+  // When the function called is not in strict mode, receiver is
+  // converted to an object.
   //
-  // When convert_receiver is set, and the receiver is not an object,
-  // and the function called is not in strict mode, receiver is converted to
-  // an object.
-  //
-  MUST_USE_RESULT static MaybeHandle<Object> Call(
-      Isolate* isolate,
-      Handle<Object> callable,
-      Handle<Object> receiver,
-      int argc,
-      Handle<Object> argv[],
-      bool convert_receiver = false);
+  MUST_USE_RESULT static MaybeHandle<Object> Call(Isolate* isolate,
+                                                  Handle<Object> callable,
+                                                  Handle<Object> receiver,
+                                                  int argc,
+                                                  Handle<Object> argv[]);
 
   // Construct object from function, the caller supplies an array of
   // arguments. Arguments are Object* type. After function returns,
   // pointers in 'args' might be invalid.
   //
   // *pending_exception tells whether the invoke resulted in
   // a pending exception.
   //
   MUST_USE_RESULT static MaybeHandle<Object> New(Handle<JSFunction> func,
                                                  int argc,
@@ skipping 232 matching lines @@
   friend class Isolate;
   friend class StackLimitCheck;
   friend class PostponeInterruptsScope;
 
   DISALLOW_COPY_AND_ASSIGN(StackGuard);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_EXECUTION_H_