[NetInfo] Add Blink support for connection.change, connection.downlinkMax, and wimax

Source/core/page/NetworkStateNotifier.cpp

Index: Source/core/page/NetworkStateNotifier.cpp
diff --git a/Source/core/page/NetworkStateNotifier.cpp b/Source/core/page/NetworkStateNotifier.cpp
index a8ebbdcfb49bc4dfce04d2b0dc01af55a4a4291c..fa2210a7a892a9ad8e98cc39eb1fbcbf05e208a4 100644
--- a/Source/core/page/NetworkStateNotifier.cpp
+++ b/Source/core/page/NetworkStateNotifier.cpp
@@ -58,28 +58,13 @@ void NetworkStateNotifier::setOnLine(bool onLine)
     Page::networkStateChanged(onLine);
 }
 
-void NetworkStateNotifier::setWebConnectionType(WebConnectionType type)
+void NetworkStateNotifier::setWebConnection(WebConnectionType type, double maxBandwidth)
 {
     ASSERT(isMainThread());
     if (m_testUpdatesOnly)
         return;
 
-    setWebConnectionTypeImpl(type);
-}
-
-void NetworkStateNotifier::setWebConnectionTypeImpl(WebConnectionType type)
-{
-    ASSERT(isMainThread());
-
-    MutexLocker locker(m_mutex);
-    if (m_type == type)
-        return;
-    m_type = type;
-
-    for (const auto& entry : m_observers) {
-        ExecutionContext* context = entry.key;
-        context->postTask(FROM_HERE, createCrossThreadTask(&NetworkStateNotifier::notifyObserversOnContext, this, type));
-    }
+    setWebConnectionImpl(type, maxBandwidth);
 }
 
 void NetworkStateNotifier::addObserver(NetworkStateObserver* observer, ExecutionContext* context)
@@ -122,14 +107,30 @@ void NetworkStateNotifier::setTestUpdatesOnly(bool updatesOnly)
     m_testUpdatesOnly = updatesOnly;
 }
 
-void NetworkStateNotifier::setWebConnectionTypeForTest(WebConnectionType type)
+void NetworkStateNotifier::setWebConnectionForTest(WebConnectionType type, double maxBandwidth)
 {
     ASSERT(isMainThread());
     ASSERT(m_testUpdatesOnly);
-    setWebConnectionTypeImpl(type);
+    setWebConnectionImpl(type, maxBandwidth);
+}
+
+void NetworkStateNotifier::setWebConnectionImpl(WebConnectionType type, double maxBandwidth)
+{
+    ASSERT(isMainThread());
+
+    MutexLocker locker(m_mutex);
+    if (m_type == type && m_maxBandwidth == maxBandwidth)
+        return;
+    m_type = type;
+    m_maxBandwidth = maxBandwidth;
+
+    for (const auto& entry : m_observers) {
+        ExecutionContext* context = entry.key;
+        context->postTask(FROM_HERE, createCrossThreadTask(&NetworkStateNotifier::notifyObserversOfConnectionChangeOnContext, this, type, maxBandwidth));
+    }
 }
 
-void NetworkStateNotifier::notifyObserversOnContext(WebConnectionType type, ExecutionContext* context)
+void NetworkStateNotifier::notifyObserversOfConnectionChangeOnContext(WebConnectionType type, double maxBandwidth, ExecutionContext* context)
 {
     ObserverList* observerList = lockAndFindObserverList(context);
 
@@ -144,7 +145,7 @@ void NetworkStateNotifier::notifyObserversOnContext(WebConnectionType type, Exec
     for (size_t i = 0; i < observerList->observers.size(); ++i) {
         // Observers removed during iteration are zeroed out, skip them.
         if (observerList->observers[i])
-            observerList->observers[i]->connectionTypeChange(type);
+            observerList->observers[i]->connectionChange(type, maxBandwidth);
     }
 
     observerList->iterating = false;