Adding counters for the types of Media Constraints.

third_party/WebKit/Source/modules/mediastream/MediaConstraintsImpl.cpp

 /*
  * Copyright (C) 2012 Google 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/mediastream/MediaConstraintsImpl.h"
 
 #include "bindings/core/v8/ArrayValue.h"
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
+#include "core/frame/UseCounter.h"
 #include "modules/mediastream/MediaTrackConstraintSet.h"
 #include "platform/Logging.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "wtf/HashMap.h"
 #include "wtf/Vector.h"
 #include "wtf/text/StringHash.h"
 
 namespace blink {
 
 namespace MediaConstraintsImpl {
@@ skipping 331 matching lines @@
     // We ignore errors in optional constraints.
     MediaErrorState ignoredErrorState;
     parseOldStyleNames(optional, advanced, ignoredErrorState);
     WebVector<WebMediaTrackConstraintSet> advancedVector(&advanced, 1);
     // Use the 4-argument initializer until Chrome has been converted.
     constraints.initialize(optional, mandatory, basic, advancedVector);
     return constraints;
 }
 
 // Deprecated.
-WebMediaConstraints create(const Dictionary& constraintsDictionary, MediaErrorState& errorState)
+WebMediaConstraints create(const ExecutionContext* context, const Dictionary& constraintsDictionary, MediaErrorState& errorState)
 {
     WebVector<WebMediaConstraint> optional;
     WebVector<WebMediaConstraint> mandatory;
     if (!parse(constraintsDictionary, optional, mandatory)) {
         errorState.throwTypeError("Malformed constraints object.");
         return WebMediaConstraints();
     }
+    UseCounter::count(context, UseCounter::MediaStreamConstraintsFromDictionary);
     return createFromNamedConstraints(mandatory, optional, errorState);
 }
 
 void copyLongConstraint(const ConstrainLongRange& blinkForm, LongConstraint& webForm)
 {
     if (blinkForm.hasMin()) {
         webForm.setMin(blinkForm.min());
     }
     if (blinkForm.hasMax()) {
         webForm.setMax(blinkForm.max());
@@ skipping 78 matching lines @@
         copyLongConstraint(constraintsIn.channelCount(), constraintBuffer.channelCount);
     }
     if (constraintsIn.hasDeviceId()) {
         copyStringConstraint(constraintsIn.deviceId(), constraintBuffer.deviceId);
     }
     if (constraintsIn.hasGroupId()) {
         copyStringConstraint(constraintsIn.groupId(), constraintBuffer.groupId);
     }
 }
 
-WebMediaConstraints create(const MediaTrackConstraintSet& constraintsIn, MediaErrorState& errorState)
+WebMediaConstraints create(const ExecutionContext* context, const MediaTrackConstraintSet& constraintsIn, MediaErrorState& errorState)
 {
     WebMediaConstraints constraints;
     WebMediaTrackConstraintSet constraintBuffer;
     WebVector<WebMediaTrackConstraintSet> advancedBuffer;
     copyConstraints(constraintsIn, constraintBuffer);
     // TODO(hta): Add initialization of advanced constraints once present.
     // https://crbug.com/253412
     if (constraintsIn.hasOptional() || constraintsIn.hasMandatory()) {
         if (!constraintBuffer.isEmpty()) {
             errorState.throwTypeError("Malformed constraint: Cannot use both optional/mandatory and specific constraints.");
             return WebMediaConstraints();
         }
         WebVector<WebMediaConstraint> optional;
         WebVector<WebMediaConstraint> mandatory;
         if (!parse(constraintsIn, optional, mandatory)) {
             errorState.throwTypeError("Malformed constraints object.");
             return WebMediaConstraints();
         }
+        UseCounter::count(context, UseCounter::MediaStreamConstraintsNameValue);
         return createFromNamedConstraints(mandatory, optional, errorState);
     }
+    UseCounter::count(context, UseCounter::MediaStreamConstraintsConformant);
     constraints.initialize(constraintBuffer, advancedBuffer);
     return constraints;
 }
 
 WebMediaConstraints create()
 {
     WebMediaConstraints constraints;
     constraints.initialize();
     return constraints;
 }
 
 } // namespace MediaConstraintsImpl
 } // namespace blink