NaCl SDK: Remove more unused variables in examples

native_client_sdk/src/examples/demo/earth/earth.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <assert.h>
 #include <math.h>
 #include <ppapi/c/ppb_input_event.h>
 #include <ppapi/cpp/input_event.h>
 #include <ppapi/cpp/var.h>
 #include <ppapi/cpp/var_array.h>
@@ skipping 14 matching lines @@
 #include "ppapi_simple/ps_event.h"
 #include "ppapi_simple/ps_interface.h"
 #include "ppapi_simple/ps_main.h"
 #include "sdk_util/macros.h"
 #include "sdk_util/thread_pool.h"
 
 using namespace sdk_util;  // For sdk_util::ThreadPool
 
 // Global properties used to setup Earth demo.
 namespace {
-const float kHugeZ = 1.0e38f;
 const float kPI = M_PI;
 const float kTwoPI = kPI * 2.0f;
 const float kOneOverPI = 1.0f / kPI;
 const float kOneOver2PI = 1.0f / kTwoPI;
 const float kOneOver255 = 1.0f / 255.0f;
 const int kArcCosineTableSize = 4096;
 const int kFramesToBenchmark = 100;
 const float kZoomMin = 1.0f;
 const float kZoomMax = 50.0f;
 const float kWheelSpeed = 2.0f;
 const float kLightMin = 0.0f;
 const float kLightMax = 2.0f;
-const int kFrameTimeBufferSize = 512;
 
 // Timer helper for benchmarking.  Returns seconds elapsed since program start,
 // as a double.
 timeval start_tv;
 int start_tv_retv = gettimeofday(&start_tv, NULL);
 
 inline double getseconds() {
   const double usec_to_sec = 0.000001;
   timeval tv;
   if ((0 == start_tv_retv) && (0 == gettimeofday(&tv, NULL)))
@@ skipping 81 matching lines @@
   Convert u(f);
   return u.AsInt();
 }
 
 inline const float AsFloat(const int i) {
   Convert u(i);
   return u.AsFloat();
 }
 
 const long int kOneAsInteger = AsInteger(1.0f);
-const float kScaleUp = float(0x00800000);
-const float kScaleDown = 1.0f / kScaleUp;
 
 inline float inline_quick_sqrt(float x) {
   int i;
   i = (AsInteger(x) >> 1) + (kOneAsInteger >> 1);
   return AsFloat(i);
 }
 
 inline float inline_sqrt(float x) {
   float y;
   y = inline_quick_sqrt(x);
@@ skipping 655 matching lines @@
     // Do simulation, render and present.
     earth.Update();
   }
 
   return 0;
 }
 
 // Register the function to call once the Instance Object is initialized.
 // see: pappi_simple/ps_main.h
 PPAPI_SIMPLE_REGISTER_MAIN(example_main);