Macro-based constraints

third_party/WebKit/Source/platform/exported/WebMediaConstraints.cpp

Index: third_party/WebKit/Source/platform/exported/WebMediaConstraints.cpp
diff --git a/third_party/WebKit/Source/platform/exported/WebMediaConstraints.cpp b/third_party/WebKit/Source/platform/exported/WebMediaConstraints.cpp
index cd180cd5fcdda495b2c701decdb7f2a324e6c69d..043eb6bbda10900dbe774082f8de21a6f3537920 100644
--- a/third_party/WebKit/Source/platform/exported/WebMediaConstraints.cpp
+++ b/third_party/WebKit/Source/platform/exported/WebMediaConstraints.cpp
@@ -370,19 +370,13 @@ WebString BooleanConstraint::toString() const
 }
 
 WebMediaTrackConstraintSet::WebMediaTrackConstraintSet()
-    : width("width")
-    , height("height")
-    , aspectRatio("aspectRatio")
-    , frameRate("frameRate")
-    , facingMode("facingMode")
-    , volume("volume")
-    , sampleRate("sampleRate")
-    , sampleSize("sampleSize")
-    , echoCancellation("echoCancellation")
-    , latency("latency")
-    , channelCount("channelCount")
-    , deviceId("deviceId")
-    , groupId("groupId")
+    : dummy()
+#define CONSTRAINT_ITEM(lowercase, uppercase, datatype) \
+    , lowercase(#lowercase)
+
+    CONSTRAINT_LIST
+
+#undef CONSTRAINT_ITEM
     , mediaStreamSource("mediaStreamSource")
     , renderToAssociatedSink("chromeRenderToAssociatedSink")
     , hotwordEnabled("hotwordEnabled")
@@ -428,9 +422,10 @@ WebMediaTrackConstraintSet::WebMediaTrackConstraintSet()
 std::vector<const BaseConstraint*> WebMediaTrackConstraintSet::allConstraints() const
 {
     const BaseConstraint* temp[] = {
-        &width, &height, &aspectRatio, &frameRate, &facingMode, &volume,
-        &sampleRate, &sampleSize, &echoCancellation, &latency, &channelCount,
-        &deviceId, &groupId, &mediaStreamSource, &renderToAssociatedSink,
+#define CONSTRAINT_ITEM(lowercase, uppercase, datatype) &lowercase,
+CONSTRAINT_LIST
+#undef CONSTRAINT_ITEM
+        &mediaStreamSource, &renderToAssociatedSink,
         &hotwordEnabled, &googEchoCancellation,
         &googExperimentalEchoCancellation, &googAutoGainControl,
         &googExperimentalAutoGainControl, &googNoiseSuppression,