Web Animations: Coalesce constructors where possible.

third_party/WebKit/Source/core/animation/TimingInput.cpp

Index: third_party/WebKit/Source/core/animation/TimingInput.cpp
diff --git a/third_party/WebKit/Source/core/animation/TimingInput.cpp b/third_party/WebKit/Source/core/animation/TimingInput.cpp
index b15aa440ea86fb2397569360b32b12d47c2a1333..51b438a7b726a89c674038dfc5a9ed75e8e2aba1 100644
--- a/third_party/WebKit/Source/core/animation/TimingInput.cpp
+++ b/third_party/WebKit/Source/core/animation/TimingInput.cpp
@@ -5,6 +5,7 @@
 #include "core/animation/TimingInput.h"
 
 #include "bindings/core/v8/ExceptionState.h"
+#include "bindings/core/v8/UnrestrictedDoubleOrKeyframeEffectOptions.h"
 #include "core/animation/AnimationInputHelpers.h"
 #include "core/animation/KeyframeEffectOptions.h"
 
@@ -119,6 +120,24 @@ bool TimingInput::SetTimingFunction(Timing& timing,
   return false;
 }
 
+bool TimingInput::Convert(
+    const UnrestrictedDoubleOrKeyframeEffectOptions& options,
+    Timing& timing_output,
+    Document* document,
+    ExceptionState& exception_state) {
+  if (options.isKeyframeEffectOptions()) {
+    return Convert(options.getAsKeyframeEffectOptions(), timing_output,
+                   document, exception_state);
+  } else if (options.isUnrestrictedDouble()) {
+    return Convert(options.getAsUnrestrictedDouble(), timing_output,
+                   exception_state);
+  } else if (options.isNull()) {
+    return true;
+  }
+  NOTREACHED();
+  return false;
+}
+
 bool TimingInput::Convert(const KeyframeEffectOptions& timing_input,
                           Timing& timing_output,
                           Document* document,