NetInfo network quality extension: Add callbacks and Layout tests

third_party/WebKit/Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
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   } else if (type == "none") {
     webtype = kWebConnectionTypeNone;
   } else if (type == "unknown") {
     webtype = kWebConnectionTypeUnknown;
   } else {
     exception_state.ThrowDOMException(
         kNotFoundError,
         ExceptionMessages::FailedToEnumerate("connection type", type));
     return;
   }
-  GetNetworkStateNotifier().SetOverride(on_line, webtype, downlink_max_mbps);
+  GetNetworkStateNotifier().SetNetworkConnectionInfoOverride(on_line, webtype,
+                                                             downlink_max_mbps);
+}
+
+void Internals::setNetworkQualityInfoOverride(const String& effective_type,
+                                              unsigned long transport_rtt_msec,
+                                              double downlink_throughput_mbps,
+                                              ExceptionState& exception_state) {
+  WebEffectiveConnectionType web_effective_type =
+      WebEffectiveConnectionType::kTypeUnknown;
+  if (effective_type == "offline") {
+    web_effective_type = WebEffectiveConnectionType::kTypeOffline;
+  } else if (effective_type == "slow-2g") {
+    web_effective_type = WebEffectiveConnectionType::kTypeSlow2G;
+  } else if (effective_type == "2g") {
+    web_effective_type = WebEffectiveConnectionType::kType2G;
+  } else if (effective_type == "3g") {
+    web_effective_type = WebEffectiveConnectionType::kType3G;
+  } else if (effective_type == "4g") {
+    web_effective_type = WebEffectiveConnectionType::kType4G;
+  } else if (effective_type != "unknown") {
+    exception_state.ThrowDOMException(
+        kNotFoundError, ExceptionMessages::FailedToEnumerate(
+                            "effective connection type", effective_type));
+    return;
+  }
+
+  GetNetworkStateNotifier().SetNetworkQualityInfoOverride(
+      web_effective_type, transport_rtt_msec, downlink_throughput_mbps);
 }
 
 void Internals::clearNetworkConnectionInfoOverride() {
   GetNetworkStateNotifier().ClearOverride();
 }
 
 unsigned Internals::countHitRegions(CanvasRenderingContext* context) {
   return context->HitRegionsCount();
 }
 
@@ skipping 191 matching lines @@
 
 void Internals::crash() {
   CHECK(false) << "Intentional crash";
 }
 
 void Internals::setIsLowEndDevice(bool is_low_end_device) {
   MemoryCoordinator::SetIsLowEndDeviceForTesting(is_low_end_device);
 }
 
 }  // namespace blink