Update to newer network service implementation and mojoms from monet

sky/services/platform/weburlloader_impl.cc

Index: sky/services/platform/weburlloader_impl.cc
diff --git a/sky/services/platform/weburlloader_impl.cc b/sky/services/platform/weburlloader_impl.cc
index 596bc599bb4fcfb4f01a5e6bc9c318bed02fe3f3..16f39d6b7425237ae50725138b81ad7aca6b5bd4 100644
--- a/sky/services/platform/weburlloader_impl.cc
+++ b/sky/services/platform/weburlloader_impl.cc
@@ -49,19 +49,9 @@ blink::WebURLResponse ToWebURLResponse(const mojo::URLResponsePtr& url_response)
   result.setLoadTiming(timing);
 
   for (size_t i = 0; i < url_response->headers.size(); ++i) {
-    const std::string& header_line = url_response->headers[i];
-    size_t first_colon = header_line.find(":");
-
-    if (first_colon == std::string::npos || first_colon == 0)
-      continue;
-
-    std::string value;
-    TrimWhitespaceASCII(header_line.substr(first_colon + 1),
-                        base::TRIM_LEADING,
-                        &value);
-    result.setHTTPHeaderField(
-        blink::WebString::fromUTF8(header_line.substr(0, first_colon)),
-        blink::WebString::fromUTF8(value));
+    const auto& header = url_response->headers[i];
+    result.setHTTPHeaderField(blink::WebString::fromUTF8(header->name),
+                              blink::WebString::fromUTF8(header->value));
   }
 
   return result;