A64: Synchronize with r15545.

src/extensions/i18n/locale.h

Index: src/extensions/i18n/locale.h
diff --git a/src/a64/frames-a64.cc b/src/extensions/i18n/locale.h
similarity index 61%
copy from src/a64/frames-a64.cc
copy to src/extensions/i18n/locale.h
index b1764e0c5fc4b2d8dc4567931990170da2dccaa0..c39568e5d9d69104b8b4d3dbb35ca197a813c9a3 100644
--- a/src/a64/frames-a64.cc
+++ b/src/extensions/i18n/locale.h
@@ -24,28 +24,33 @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// limitations under the License.
 
-#include "v8.h"
-
-#if defined(V8_TARGET_ARCH_A64)
+#ifndef V8_EXTENSIONS_I18N_SRC_LOCALE_H_
+#define V8_EXTENSIONS_I18N_SRC_LOCALE_H_
 
-#include "assembler.h"
-#include "assembler-a64.h"
-#include "assembler-a64-inl.h"
-#include "frames.h"
-
-namespace v8 {
-namespace internal {
+#include "unicode/uversion.h"
+#include "v8.h"
 
+namespace v8_i18n {
 
-Register JavaScriptFrame::fp_register() { return v8::internal::fp; }
-Register JavaScriptFrame::context_register() { return cp; }
+// Canonicalizes the BCP47 language tag using BCP47 rules.
+// Returns 'invalid-tag' in case input was not well formed.
+void JSCanonicalizeLanguageTag(const v8::FunctionCallbackInfo<v8::Value>& args);
 
+// Returns a list of available locales for collator, date or number formatter.
+void JSAvailableLocalesOf(const v8::FunctionCallbackInfo<v8::Value>& args);
 
-Register StubFailureTrampolineFrame::fp_register() { return v8::internal::fp; }
-Register StubFailureTrampolineFrame::context_register() { return cp; }
+// Returns default ICU locale.
+void JSGetDefaultICULocale(const v8::FunctionCallbackInfo<v8::Value>& args);
 
+// Returns an array of objects, that have maximized and base names of inputs.
+// Unicode extensions are dropped from both.
+// Input: ['zh-TW-u-nu-thai', 'sr']
+// Output: [{maximized: 'zh-Hant-TW', base: 'zh-TW'},
+//          {maximized: 'sr-Cyrl-RS', base: 'sr'}]
+void JSGetLanguageTagVariants(const v8::FunctionCallbackInfo<v8::Value>& args);
 
-} }  // namespace v8::internal
+}  // namespace v8_i18n
 
-#endif  // V8_TARGET_ARCH_A64
+#endif  // V8_EXTENSIONS_I18N_LOCALE_H_