Change MediaStreamVideoSource to output different resolutions to different tracks depending on the …

content/renderer/media/media_stream_constraints_util.h

Index: content/renderer/media/media_stream_constraints_util.h
diff --git a/content/renderer/media/media_stream_constraints_util.h b/content/renderer/media/media_stream_constraints_util.h
index 706ed4f038c058db0456f35fd41a592e8d7f7653..2068588b99f74318613b9efc176eaf3910cc533e 100644
--- a/content/renderer/media/media_stream_constraints_util.h
+++ b/content/renderer/media/media_stream_constraints_util.h
@@ -16,58 +16,72 @@ class WebString;
 
 namespace content {
 
-// Method to get boolean value of constraint with |key| from constraints.
+// Method to get boolean value of constraint with |name| from constraints.
 // Returns true if the constraint is specified in either mandatory or optional
 // constraints.
 bool CONTENT_EXPORT GetConstraintValueAsBoolean(
     const blink::WebMediaConstraints& constraints,
-    const std::string& key,
+    const std::string& name,
     bool* value);
 
-// Method to get int value of constraint with |key| from constraints.
+// Method to get int value of constraint with |name| from constraints.
 // Returns true if the constraint is specified in either mandatory or Optional
 // constraints.
 bool CONTENT_EXPORT GetConstraintValueAsInteger(
     const blink::WebMediaConstraints& constraints,
-    const std::string& key,
+    const std::string& name,
     int* value);
 
-// Method to get std::string value of constraint with |key| from constraints.
+// Method to get std::string value of constraint with |name| from constraints.
 // Returns true if the constraint is specified in either mandatory or Optional
 // constraints.
 bool CONTENT_EXPORT GetConstraintValueAsString(
     const blink::WebMediaConstraints& constraints,
-    const std::string& key,
+    const std::string& name,
     std::string* value);
 
-// Method to get boolean value of constraint with |key| from the
+// Method to get boolean value of constraint with |name| from the
 // mandatory constraints.
 bool CONTENT_EXPORT GetMandatoryConstraintValueAsBoolean(
     const blink::WebMediaConstraints& constraints,
     const std::string& name,
     bool* value);
 
-// Method to get int value of constraint with |key| from the
+// Method to get int value of constraint with |name| from the
 // mandatory constraints.
 bool CONTENT_EXPORT GetMandatoryConstraintValueAsInteger(
     const blink::WebMediaConstraints& constraints,
     const std::string& name,
     int* value);
 
-// Method to get bool value of constraint with |key| from the
+// Method to get double value of constraint with |name| from the
+// mandatory constraints.
+bool CONTENT_EXPORT GetMandatoryConstraintValueAsDouble(
+    const blink::WebMediaConstraints& constraints,
+    const std::string& name,
+    double* value);
+
+// Method to get bool value of constraint with |name| from the
 // optional constraints.
 bool CONTENT_EXPORT GetOptionalConstraintValueAsBoolean(
     const blink::WebMediaConstraints& constraints,
     const std::string& name,
     bool* value);
 
-// Method to get int value of constraint with |key| from the
+// Method to get int value of constraint with |name| from the
 // optional constraints.
 bool CONTENT_EXPORT GetOptionalConstraintValueAsInteger(
     const blink::WebMediaConstraints& constraints,
     const std::string& name,
     int* value);
 
+// Method to get double value of constraint with |name| from the
+// optional constraints.
+bool CONTENT_EXPORT GetOptionalConstraintValueAsDouble(
+    const blink::WebMediaConstraints& constraints,
+    const std::string& name,
+    double* value);
+
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_H_