Import TestRunner library into chromium.

content/shell/renderer/test_runner/MockConstraints.cpp

Index: content/shell/renderer/test_runner/MockConstraints.cpp
diff --git a/content/shell/renderer/test_runner/MockConstraints.cpp b/content/shell/renderer/test_runner/MockConstraints.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..2fdb9fe7663c8f089b7f6ce339905bb2e947a664
--- /dev/null
+++ b/content/shell/renderer/test_runner/MockConstraints.cpp
@@ -0,0 +1,59 @@
+// Copyright 2013 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/shell/renderer/test_runner/MockConstraints.h"
+
+#include "third_party/WebKit/public/platform/WebMediaConstraints.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+
+using namespace blink;
+
+namespace WebTestRunner {
+
+namespace {
+
+bool isSupported(const WebString& constraint)
+{
+    return constraint == "valid_and_supported_1" || constraint == "valid_and_supported_2";
+}
+
+bool isValid(const WebString& constraint)
+{
+    return isSupported(constraint) || constraint == "valid_but_unsupported_1" || constraint == "valid_but_unsupported_2";
+}
+
+}
+
+bool MockConstraints::verifyConstraints(const WebMediaConstraints& constraints, WebString* failedConstraint)
+{
+    WebVector<WebMediaConstraint> mandatoryConstraints;
+    constraints.getMandatoryConstraints(mandatoryConstraints);
+    if (mandatoryConstraints.size()) {
+        for (size_t i = 0; i < mandatoryConstraints.size(); ++i) {
+            const WebMediaConstraint& curr = mandatoryConstraints[i];
+            if (!isSupported(curr.m_name) || curr.m_value != "1") {
+                if (failedConstraint)
+                    *failedConstraint = curr.m_name;
+                return false;
+            }
+        }
+    }
+
+    WebVector<WebMediaConstraint> optionalConstraints;
+    constraints.getOptionalConstraints(optionalConstraints);
+    if (optionalConstraints.size()) {
+        for (size_t i = 0; i < optionalConstraints.size(); ++i) {
+            const WebMediaConstraint& curr = optionalConstraints[i];
+            if (!isValid(curr.m_name) || curr.m_value != "0") {
+                if (failedConstraint)
+                    *failedConstraint = curr.m_name;
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+}