[NaCl SDK] Cleanup examples.

native_client_sdk/src/examples/demo/pi_generator/pi_generator.h

Index: native_client_sdk/src/examples/demo/pi_generator/pi_generator.h
diff --git a/native_client_sdk/src/examples/demo/pi_generator/pi_generator.h b/native_client_sdk/src/examples/demo/pi_generator/pi_generator.h
deleted file mode 100644
index 67b47813913ba25db67d66e26476cb35d1306029..0000000000000000000000000000000000000000
--- a/native_client_sdk/src/examples/demo/pi_generator/pi_generator.h
+++ /dev/null
@@ -1,108 +0,0 @@
-// Copyright (c) 2012 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.
-
-#ifndef EXAMPLES_PI_GENERATOR_PI_GENERATOR_H_
-#define EXAMPLES_PI_GENERATOR_PI_GENERATOR_H_
-
-#include <pthread.h>
-#include <map>
-#include <vector>
-#include "ppapi/cpp/graphics_2d.h"
-#include "ppapi/cpp/image_data.h"
-#include "ppapi/cpp/instance.h"
-#include "ppapi/cpp/rect.h"
-#include "ppapi/cpp/size.h"
-
-namespace pi_generator {
-
-// The Instance class.  One of these exists for each instance of your NaCl
-// module on the web page.  The browser will ask the Module object to create
-// a new Instance for each occurrence of the <embed> tag that has these
-// attributes:
-//     type="application/x-nacl"
-//     nacl="pi_generator.nmf"
-class PiGenerator : public pp::Instance {
- public:
-  explicit PiGenerator(PP_Instance instance);
-  virtual ~PiGenerator();
-
-  // Start up the ComputePi() thread.
-  virtual bool Init(uint32_t argc, const char* argn[], const char* argv[]);
-
-  // Update the graphics context to the new size, and regenerate |pixel_buffer_|
-  // to fit the new size as well.
-  virtual void DidChangeView(const pp::View& view);
-
-  // Called by the browser to handle the postMessage() call in Javascript.
-  // The message in this case is expected to contain the string 'paint', and
-  // if so this invokes the Paint() function.  If |var_message| is not a string
-  // type, or contains something other than 'paint', this method posts an
-  // invalid value for Pi (-1.0) back to the browser.
-  virtual void HandleMessage(const pp::Var& var_message);
-
-  // Return a pointer to the pixels represented by |pixel_buffer_|.  When this
-  // method returns, the underlying |pixel_buffer_| object is locked.  This
-  // call must have a matching UnlockPixels() or various threading errors
-  // (e.g. deadlock) will occur.
-  uint32_t* LockPixels();
-  // Release the image lock acquired by LockPixels().
-  void UnlockPixels() const;
-
-  // Flushes its contents of |pixel_buffer_| to the 2D graphics context.  The
-  // ComputePi() thread fills in |pixel_buffer_| pixels as it computes Pi.
-  // This method is called by HandleMessage when a message containing 'paint'
-  // is received.  Echos the current value of pi as computed by the Monte Carlo
-  // method by posting the value back to the browser.
-  void Paint();
-
-  bool quit() const { return quit_; }
-
-  // |pi_| is computed in the ComputePi() thread.
-  double pi() const { return pi_; }
-
-  int width() const {
-    return pixel_buffer_ ? pixel_buffer_->size().width() : 0;
-  }
-  int height() const {
-    return pixel_buffer_ ? pixel_buffer_->size().height() : 0;
-  }
-
-  // Indicate whether a flush is pending.  This can only be called from the
-  // main thread; it is not thread safe.
-  bool flush_pending() const { return flush_pending_; }
-  void set_flush_pending(bool flag) { flush_pending_ = flag; }
-
- private:
-  // Create and initialize the 2D context used for drawing.
-  void CreateContext(const pp::Size& size, float device_scale);
-  // Destroy the 2D drawing context.
-  void DestroyContext();
-  // Push the pixels to the browser, then attempt to flush the 2D context.  If
-  // there is a pending flush on the 2D context, then update the pixels only
-  // and do not flush.
-  void FlushPixelBuffer();
-
-  bool IsContextValid() const { return graphics_2d_context_ != NULL; }
-
-  mutable pthread_mutex_t pixel_buffer_mutex_;
-  pp::Graphics2D* graphics_2d_context_;
-  pp::ImageData* pixel_buffer_;
-  bool flush_pending_;
-  bool quit_;
-  pthread_t compute_pi_thread_;
-  int thread_create_result_;
-  double pi_;
-  float device_scale_;
-
-  // ComputePi() estimates Pi using Monte Carlo method and it is executed by a
-  // separate thread created in SetWindow(). ComputePi() puts kMaxPointCount
-  // points inside the square whose length of each side is 1.0, and calculates
-  // the ratio of the number of points put inside the inscribed quadrant divided
-  // by the total number of random points to get Pi/4.
-  static void* ComputePi(void* param);
-};
-
-}  // namespace pi_generator
-
-#endif  // EXAMPLES_PI_GENERATOR_PI_GENERATOR_H_