HTML Media Capture: update capture attribute to use string.

third_party/WebKit/Source/core/html/HTMLInputElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLInputElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLInputElement.cpp b/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
index d990ffc8738cca464c55500e2c3bf32b3ad9b8f4..07ff516abc5fcad9e43f6428bd90c12195e6654a 100644
--- a/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
@@ -1681,6 +1681,19 @@ bool HTMLInputElement::ShouldAppearIndeterminate() const {
   return input_type_->ShouldAppearIndeterminate();
 }
 
+CaptureFacingMode HTMLInputElement::capture() const {
+  const String capture = FastGetAttribute(captureAttr).LowerASCII();
+  if (capture == "user")
+    return CaptureFacingModeUser;
+
+  // |capture| is equivalent to 'environment' if unspecified.
+  return CaptureFacingModeEnvironment;
+}
+
+void HTMLInputElement::setCapture(const AtomicString& value) {
+  setAttribute(captureAttr, value);
+}
+
 bool HTMLInputElement::IsInRequiredRadioButtonGroup() {
   // TODO(tkent): Remove type check.
   DCHECK_EQ(type(), InputTypeNames::radio);