Delete WebGamepads::length.

third_party/WebKit/public/platform/WebGamepads.h

Index: third_party/WebKit/public/platform/WebGamepads.h
diff --git a/third_party/WebKit/public/platform/WebGamepads.h b/third_party/WebKit/public/platform/WebGamepads.h
index 15ede960335f01a586e851f00c85502e9f3eb554..4b76542944687d6fe03b8fd8ed487d926dce3131 100644
--- a/third_party/WebKit/public/platform/WebGamepads.h
+++ b/third_party/WebKit/public/platform/WebGamepads.h
@@ -35,13 +35,8 @@ namespace blink {
 // browser.
 class WebGamepads {
  public:
-  WebGamepads() : length(0) {}
-
   static const size_t itemsLengthCap = 4;
 
-  // Number of valid entries in the items array.
-  unsigned length;
-
   // Gamepad data for N separate gamepad devices.
   WebGamepad items[itemsLengthCap];
 };