Apply new-style constraints to video_source.

third_party/WebKit/public/platform/WebMediaConstraints.h

Index: third_party/WebKit/public/platform/WebMediaConstraints.h
diff --git a/third_party/WebKit/public/platform/WebMediaConstraints.h b/third_party/WebKit/public/platform/WebMediaConstraints.h
index 9ad9fe70f286f534fe96ad3cb41c114a3435c43c..b0ef2b9657443c7b0b34afde0aec28736baf37ae 100644
--- a/third_party/WebKit/public/platform/WebMediaConstraints.h
+++ b/third_party/WebKit/public/platform/WebMediaConstraints.h
@@ -37,6 +37,8 @@
 #include "WebString.h"
 #include "WebVector.h"
 
+#include <vector>
+
 namespace blink {
 
 class WebMediaConstraintsPrivate;
@@ -46,7 +48,8 @@ public:
     explicit BaseConstraint(const char* name);
     virtual ~BaseConstraint();
     virtual bool isEmpty() const = 0;
-    const char* name()
+    virtual bool hasMandatory() const = 0;
+    const char* name() const
     {
         return m_name;
     }
@@ -84,6 +87,11 @@ public:
 
     bool matches(long value) const;
     bool isEmpty() const override;
+    bool hasMandatory() const override;
+    bool hasMin() const { return m_hasMin; }
+    long min() const { return m_min; }
+    bool hasMax() const { return m_hasMax; }
+    long max() const { return m_max; }
 
 private:
     long m_min;
@@ -131,6 +139,11 @@ public:
 
     bool matches(double value) const;
     bool isEmpty() const override;
+    bool hasMandatory() const override;
+    bool hasMin() const { return m_hasMin; }
+    double min() const { return m_min; }
+    bool hasMax() const { return m_hasMax; }
+    double max() const { return m_max; }
 
 private:
     double m_min;
@@ -167,6 +180,7 @@ public:
 
     bool matches(WebString value) const;
     bool isEmpty() const override;
+    bool hasMandatory() const override;
     const WebVector<WebString>& exact() const;
     const WebVector<WebString>& ideal() const;
 
@@ -193,6 +207,7 @@ public:
 
     bool matches(bool value) const;
     bool isEmpty() const override;
+    bool hasMandatory() const override;
 
 private:
     unsigned m_ideal : 1;
@@ -260,6 +275,11 @@ public:
     BooleanConstraint googPayloadPadding;
 
     BLINK_PLATFORM_EXPORT bool isEmpty() const;
+    BLINK_PLATFORM_EXPORT bool hasMandatory() const;
+    BLINK_PLATFORM_EXPORT bool hasMandatoryOutsideSet(const std::vector<std::string>&, std::string&) const;
+
+private:
+    std::vector<const BaseConstraint*> allConstraints() const;
 };
 
 // Old type/value form of constraint. Will be deprecated.