Return unique_ptr from WebClient::CreateWebMainParts()

ios/chrome/browser/web/chrome_web_client.h

Index: ios/chrome/browser/web/chrome_web_client.h
diff --git a/ios/chrome/browser/web/chrome_web_client.h b/ios/chrome/browser/web/chrome_web_client.h
index 928faf6e1485d5f6d4d9a62df011f7f2ae4647c0..7ec45c8f8a7cced196d2d41c8505e2e95d82cf2c 100644
--- a/ios/chrome/browser/web/chrome_web_client.h
+++ b/ios/chrome/browser/web/chrome_web_client.h
@@ -15,7 +15,7 @@ class ChromeWebClient : public web::WebClient {
   ~ChromeWebClient() override;
 
   // WebClient implementation.
-  web::WebMainParts* CreateWebMainParts() override;
+  std::unique_ptr<web::WebMainParts> CreateWebMainParts() override;

[Eugene But (OOO till 7-30), 2017/01/20 22:11:41]

Please include <memory> everywhere where std::unique_ptr is used.

[michaeldo, 2017/01/23 17:30:54]

Done.

   void PreWebViewCreation() const override;
   void AddAdditionalSchemes(std::vector<url::SchemeWithType>*
                                 additional_standard_schemes) const override;