Replace uses of legacy SkBitmap::copyTo() API

ios/chrome/browser/google/google_logo_service.mm

Index: ios/chrome/browser/google/google_logo_service.mm
diff --git a/ios/chrome/browser/google/google_logo_service.mm b/ios/chrome/browser/google/google_logo_service.mm
index c4cf895362dadea456231ba24ae29c45a2bbbd44..69252ecc161e3b4ccdf224aa368387063f5c4cc0 100644
--- a/ios/chrome/browser/google/google_logo_service.mm
+++ b/ios/chrome/browser/google/google_logo_service.mm
@@ -121,7 +121,10 @@ void GoogleLogoService::SetCachedLogo(const search_provider_logos::Logo* logo) {
     if (cached_metadata_.fingerprint == logo->metadata.fingerprint) {
       return;
     }
-    logo->image.deepCopyTo(&cached_image_);
+    if (cached_image_.tryAllocPixels(logo->image.info())) {
+      logo->image.readPixels(cached_image_.info(), cached_image_.getPixels(),
+                             cached_image_.rowBytes(), 0, 0);
+    }
     cached_metadata_ = logo->metadata;
   } else {
     cached_image_ = SkBitmap();