Change value type of timeout and maximumAge in PositionOptions

Source/bindings/v8/custom/V8GeolocationCustom.cpp

Index: Source/bindings/v8/custom/V8GeolocationCustom.cpp
diff --git a/Source/bindings/v8/custom/V8GeolocationCustom.cpp b/Source/bindings/v8/custom/V8GeolocationCustom.cpp
index 33a433b398e51df60f07af8d5ccc34e754116e13..d1105e791c5045a467c0ec45cced7431b3bdf3e1 100644
--- a/Source/bindings/v8/custom/V8GeolocationCustom.cpp
+++ b/Source/bindings/v8/custom/V8GeolocationCustom.cpp
@@ -85,13 +85,21 @@ static PassRefPtrWillBeRawPtr<PositionOptions> createPositionOptions(v8::Local<v
         double timeoutDouble = timeoutNumber->Value();
         // If the value is positive infinity, there's nothing to do.
         if (!(std::isinf(timeoutDouble) && timeoutDouble > 0)) {
-            v8::Local<v8::Int32> timeoutInt32 = timeoutValue->ToInt32();
-            if (timeoutInt32.IsEmpty()) {
-                succeeded = false;
-                return nullptr;
+            unsigned timeout;
+            // If the value is over max of unsigned, timeout is max of unsigned.
+            if (timeoutDouble >= std::numeric_limits<unsigned>::max()) {
+                timeout = std::numeric_limits<unsigned>::max();
+            } else if (timeoutDouble <= 0) {
+                timeout = 0;
+            } else {
+                v8::Local<v8::Uint32> timeoutUint32 = timeoutValue->ToUint32();
+                if (timeoutUint32.IsEmpty()) {
+                    succeeded = false;
+                    return nullptr;
+                }
+                timeout = timeoutUint32->Value();
             }
-            // Wrap to int32 and force non-negative to match behavior of window.setTimeout.
-            options->setTimeout(max(0, timeoutInt32->Value()));
+            options->setTimeout(timeout);
         }
     }
 
@@ -111,13 +119,21 @@ static PassRefPtrWillBeRawPtr<PositionOptions> createPositionOptions(v8::Local<v
             // If the value is positive infinity, clear maximumAge.
             options->clearMaximumAge();
         } else {
-            v8::Local<v8::Int32> maximumAgeInt32 = maximumAgeValue->ToInt32();
-            if (maximumAgeInt32.IsEmpty()) {
-                succeeded = false;
-                return nullptr;
+            unsigned maximumAge;
+            // If the value is over max of unsigned, maximunAge is max of unsigned.
+            if (maximumAgeDouble >= std::numeric_limits<unsigned>::max()) {
+                maximumAge = std::numeric_limits<unsigned>::max();
+            } else if (maximumAgeDouble <= 0) {
+                maximumAge = 0;
+            } else {
+                v8::Local<v8::Uint32> maximumAgeUint32 = maximumAgeValue->ToUint32();
+                if (maximumAgeUint32.IsEmpty()) {
+                    succeeded = false;
+                    return nullptr;
+                }
+                maximumAge = maximumAgeUint32->Value();
             }
-            // Wrap to int32 and force non-negative to match behavior of window.setTimeout.
-            options->setMaximumAge(max(0, maximumAgeInt32->Value()));
+            options->setMaximumAge(maximumAge);
         }
     }