Turn on ENABLE_NEW_GAMEPAD_API flag so that the new gamepad code is used

ppapi/shared_impl/ppb_gamepad_shared.h

Index: ppapi/shared_impl/ppb_gamepad_shared.h
diff --git a/ppapi/shared_impl/ppb_gamepad_shared.h b/ppapi/shared_impl/ppb_gamepad_shared.h
index 6c21d9a3f2d98265fb7762708ab03f235c9bf1e4..22b4df7a7be1477f698feb0f6c826904c4c571ef 100644
--- a/ppapi/shared_impl/ppb_gamepad_shared.h
+++ b/ppapi/shared_impl/ppb_gamepad_shared.h
@@ -9,7 +9,6 @@
 #include "base/strings/string16.h"
 #include "ppapi/c/ppb_gamepad.h"
 #include "ppapi/shared_impl/ppapi_shared_export.h"
-#include "third_party/WebKit/public/platform/WebGamepads.h"
 
 namespace ppapi {
 
@@ -18,17 +17,9 @@ namespace ppapi {
 
 #pragma pack(push, 1)
 
-#if defined(ENABLE_NEW_GAMEPAD_API)
- typedef double buttonValueType;
- typedef double axisValueType;
-#else
- typedef float buttonValueType;
- typedef float axisValueType;
-#endif
-
 struct WebKitGamepadButton {
   bool pressed;
-  buttonValueType value;
+  double value;
 };
 
 // This must match the definition of blink::Gamepad. The GamepadHost unit test
@@ -53,7 +44,7 @@ struct WebKitGamepad {
   unsigned axes_length;
 
   // Normalized values representing axes, in the range [-1..1].
-  axisValueType axes[kAxesLengthCap];
+  double axes[kAxesLengthCap];
 
   // Number of valid entries in the buttons array.
   unsigned buttons_length;