Pass correct length value in WebGamepads

ppapi/examples/gamepad/gamepad.cc

Index: ppapi/examples/gamepad/gamepad.cc
diff --git a/ppapi/examples/gamepad/gamepad.cc b/ppapi/examples/gamepad/gamepad.cc
index d7f0053559c8f1214363321bad115632d3de394d..d2b08844ebed669de53dd6a9e5cdb794215c2ac0 100644
--- a/ppapi/examples/gamepad/gamepad.cc
+++ b/ppapi/examples/gamepad/gamepad.cc
@@ -79,8 +79,6 @@ class MyInstance : public pp::Instance {
       device_context_.ReplaceContents(&image);
       device_context_.Flush(
           callback_factory_.NewCallback(&MyInstance::OnFlush));
-    } else {
-      printf("NullImage\n");

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

Removed this since the pre submit checks were giving me a warning and not
allowing me to upload the patch containing this file.

     }
   }
 
@@ -92,7 +90,7 @@ class MyInstance : public pp::Instance {
     PP_GamepadsSampleData gamepad_data;
     gamepad_->Sample(pp_instance(), &gamepad_data);
 
-    if (gamepad_data.length > 1 && gamepad_data.items[0].connected) {
+    if (gamepad_data.length > 0 && gamepad_data.items[0].connected) {
       int width2 = size.width() / 2;
       int height2 = size.height() / 2;
       // Draw 2 axes