Introduce v8::CpuProfiler::New and v8::CpuProfiler::Dispose API.

include/v8-profiler.h

 // Copyright 2010 the V8 project 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 V8_V8_PROFILER_H_
 #define V8_V8_PROFILER_H_
 
 #include <vector>
 #include "v8.h"  // NOLINT(build/include)
 
@@ skipping 189 matching lines @@
    */
   int64_t GetEndTime() const;
 
   /**
    * Deletes the profile and removes it from CpuProfiler's list.
    * All pointers to nodes previously returned become invalid.
    */
   void Delete();
 };
 
-
 /**
  * Interface for controlling CPU profiling. Instance of the
- * profiler can be retrieved using v8::Isolate::GetCpuProfiler.
+ * profiler can be created using v8::CpuProfiler::New method.
  */
 class V8_EXPORT CpuProfiler {
  public:
   /**
+   * Creates a new CPU profiler for the |isolate|. The isolate must be
+   * initialized. The profiler object must be disposed after use by calling
+   * |Dispose| method.
+   */
+  static CpuProfiler* New(Isolate* isolate);
+
+  /**
+   * Disposes the CPU profiler object.
+   */
+  void Dispose();
+
+  /**
    * Changes default CPU profiler sampling interval to the specified number
    * of microseconds. Default interval is 1000us. This method must be called
    * when there are no profiles being recorded.
    */
   void SetSamplingInterval(int us);
 
   /**
    * Starts collecting CPU profile. Title may be an empty string. It
    * is allowed to have several profiles being collected at
    * once. Attempts to start collecting several profiles with the same
@@ skipping 584 matching lines @@
   uint32_t index;  // Index of the time interval that was changed.
   uint32_t count;  // New value of count field for the interval with this index.
   uint32_t size;  // New value of size field for the interval with this index.
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_V8_PROFILER_H_