Implemented new Translate API for purely Objective-C clients.

ios/web_view/internal/translate/cwv_language_detection_result.mm

Index: ios/web_view/internal/translate/cwv_language_detection_result.mm
diff --git a/ios/web_view/internal/translate/cwv_language_detection_result.mm b/ios/web_view/internal/translate/cwv_language_detection_result.mm
new file mode 100644
index 0000000000000000000000000000000000000000..2ea99738d3efe2459e197ff42ee2169d7aebdfc8
--- /dev/null
+++ b/ios/web_view/internal/translate/cwv_language_detection_result.mm
@@ -0,0 +1,33 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "ios/web_view/public/cwv_language_detection_result.h"

[michaeldo, 2017/05/01 18:25:36]

No need for this import. _internal.h import is OK, but please add space after it
so it matches the style of the primary header import.

[jzw1, 2017/05/08 03:36:27]

Ah ok. Was wondering about that :)

+
+#import "ios/web_view/internal/translate/cwv_language_detection_result_internal.h"
+#import "ios/web_view/public/cwv_translation_language.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+@implementation CWVLanguageDetectionResult
+
+@synthesize pageLanguage = _pageLanguage;
+@synthesize suggestedTargetLanguage = _suggestedTargetLanguage;
+@synthesize supportedLanguages = _supportedLanguages;
+
+- (instancetype)
+   initWithPageLanguage:(CWVTranslationLanguage*)pageLanguage
+suggestedTargetLanguage:(CWVTranslationLanguage*)suggestedTargetLanguage
+     supportedLanguages:(NSArray<CWVTranslationLanguage*>*)supportedLanguages {
+  self = [super init];
+  if (self) {
+    _pageLanguage = pageLanguage;
+    _suggestedTargetLanguage = suggestedTargetLanguage;
+    _supportedLanguages = supportedLanguages;
+  }
+  return self;
+}
+
+@end