Add video frame refresh to MediaStream and VideoCapture stacks.

content/renderer/media/media_stream_constraints_util.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/media_stream_constraints_util.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "third_party/WebKit/public/platform/WebMediaConstraints.h"
 #include "third_party/WebKit/public/platform/WebString.h"
@@ skipping 89 matching lines @@
   return ScanConstraintsForMaxValue(constraints, picker, value);
 }
 
 bool GetConstraintValueAsDouble(
     const blink::WebMediaConstraints& constraints,
     const blink::DoubleConstraint blink::WebMediaTrackConstraintSet::*picker,
     double* value) {
   return ScanConstraintsForExactValue(constraints, picker, value);
 }
 
+bool GetConstraintMinAsDouble(
+    const blink::WebMediaConstraints& constraints,
+    const blink::DoubleConstraint blink::WebMediaTrackConstraintSet::*picker,
+    double* value) {
+  return ScanConstraintsForMinValue(constraints, picker, value);
+}
+
 bool GetConstraintMaxAsDouble(
     const blink::WebMediaConstraints& constraints,
     const blink::DoubleConstraint blink::WebMediaTrackConstraintSet::*picker,
     double* value) {
-  return ScanConstraintsForExactValue(constraints, picker, value);
+  return ScanConstraintsForMaxValue(constraints, picker, value);
 }
 
 bool GetConstraintValueAsString(
     const blink::WebMediaConstraints& constraints,
     const blink::StringConstraint blink::WebMediaTrackConstraintSet::*picker,
     std::string* value) {
   blink::WebVector<blink::WebString> return_value;
   if (ScanConstraintsForExactValue(constraints, picker, &return_value)) {
     *value = return_value[0].utf8();
     return true;
   }
   return false;
 }
 
 rtc::Optional<bool> ConstraintToOptional(
     const blink::WebMediaConstraints& constraints,
     const blink::BooleanConstraint blink::WebMediaTrackConstraintSet::*picker) {
   bool value;
   if (GetConstraintValueAsBoolean(constraints, picker, &value)) {
     return rtc::Optional<bool>(value);
   }
   return rtc::Optional<bool>();
 }
 
 }  // namespace content