Pass correct length value in WebGamepads

ppapi/shared_impl/ppb_gamepad_shared.cc

Index: ppapi/shared_impl/ppb_gamepad_shared.cc
diff --git a/ppapi/shared_impl/ppb_gamepad_shared.cc b/ppapi/shared_impl/ppb_gamepad_shared.cc
index 7aa752a8aab561a2d8eba127baed419c77e5ed5d..59b819026fa3d6ea1e9c6ff2de6c0ff8de52c9a4 100644
--- a/ppapi/shared_impl/ppb_gamepad_shared.cc
+++ b/ppapi/shared_impl/ppb_gamepad_shared.cc
@@ -10,8 +10,9 @@ namespace ppapi {
 
 void ConvertWebKitGamepadData(const WebKitGamepads& webkit_data,
                               PP_GamepadsSampleData* output_data) {
-  output_data->length = webkit_data.length;
-  for (unsigned i = 0; i < webkit_data.length; ++i) {
+  output_data->length = (webkit_data.length < WebKitGamepads::kItemsLengthCap) ?
+            webkit_data.length : WebKitGamepads::kItemsLengthCap;

[arajp, 2015/05/07 12:19:54]

Added this for safety.

[bbudge, 2015/05/07 13:58:57]

std::min(webkit_data.length, WebKitGamepads::kItemsLengthCap) would be better
here.

[arajp, 2015/05/08 06:03:20]

Done.

+  for (unsigned i = 0; i < output_data->length; ++i) {
     PP_GamepadSampleData& output_pad = output_data->items[i];
     const WebKitGamepad& webkit_pad = webkit_data.items[i];
     output_pad.connected = webkit_pad.connected ? PP_TRUE : PP_FALSE;