Move FormatStackTrace to ErrorUtils

BUG=

Review-Url: https://codereview.chromium.org/2206203002
Cr-Commit-Position: refs/heads/master@{#38294}

src/accessors.cc

@@ -1171,7 +1171,7 @@ void Accessors::ErrorStackGetter(
   // property.
 
   Handle<Object> formatted_stack_trace;
-  if (!FormatStackTrace(isolate, holder, stack_trace)
+  if (!ErrorUtils::FormatStackTrace(isolate, holder, stack_trace)
            .ToHandle(&formatted_stack_trace)) {
     isolate->OptionalRescheduleException(false);
     return;

src/builtins/builtins-error.cc

@@ -60,7 +60,7 @@ BUILTIN(ErrorCaptureStackTrace) {
   Handle<Object> formatted_stack_trace;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, formatted_stack_trace,
-      FormatStackTrace(isolate, object, stack_trace));
+      ErrorUtils::FormatStackTrace(isolate, object, stack_trace));
 
   PropertyDescriptor desc;
   desc.set_configurable(true);

src/messages.cc

@@ -586,8 +586,10 @@ class PrepareStackTraceScope {
 
 }  // namespace
 
-MaybeHandle<Object> FormatStackTrace(Isolate* isolate, Handle<JSObject> error,
-                                     Handle<Object> raw_stack) {
+// static
+MaybeHandle<Object> ErrorUtils::FormatStackTrace(Isolate* isolate,
+                                                 Handle<JSObject> error,
+                                                 Handle<Object> raw_stack) {
   // Create JS CallSite objects from the raw stack frame array.
 
   Handle<FixedArray> frames;

src/messages.h

@@ -76,11 +76,6 @@ class CallSite {
   uint32_t wasm_func_index_ = static_cast<uint32_t>(-1);
 };
 
-// Formats a textual stack trace from the given structured stack trace.
-// Note that this can call arbitrary JS code through Error.prepareStackTrace.
-MaybeHandle<Object> FormatStackTrace(Isolate* isolate, Handle<JSObject> error,
-                                     Handle<Object> stack_trace);
-
 // Determines how stack trace collection skips frames.
 enum FrameSkipMode {
   // Unconditionally skips the first frame. Used e.g. when the Error constructor
@@ -104,6 +99,12 @@ class ErrorUtils : public AllStatic {
       Isolate* isolate, Handle<JSFunction> constructor, int template_index,
       Handle<Object> arg0, Handle<Object> arg1, Handle<Object> arg2,
       FrameSkipMode mode);
+
+  // Formats a textual stack trace from the given structured stack trace.
+  // Note that this can call arbitrary JS code through Error.prepareStackTrace.
+  static MaybeHandle<Object> FormatStackTrace(Isolate* isolate,
+                                              Handle<JSObject> error,
+                                              Handle<Object> stack_trace);
 };
 
 class CallSiteUtils : public AllStatic {