Stack sampling profiler uses uintptr_t instead of void*.

base/profiler/stack_sampling_profiler.h

 // Copyright 2015 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 BASE_PROFILER_STACK_SAMPLING_PROFILER_H_
 #define BASE_PROFILER_STACK_SAMPLING_PROFILER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 46 matching lines @@
 // The results of the profiling are passed to the completed callback and consist
 // of a vector of CallStackProfiles. Each CallStackProfile corresponds to a
 // burst as specified in SamplingParams and contains a set of Samples and
 // Modules. One Sample corresponds to a single recorded stack, and the Modules
 // record those modules associated with the recorded stack frames.
 class BASE_EXPORT StackSamplingProfiler {
  public:
   // Module represents the module (DLL or exe) corresponding to a stack frame.
   struct BASE_EXPORT Module {
     Module();
-    Module(const void* base_address, const std::string& id,
+    Module(const uintptr_t base_address, const std::string& id,
            const FilePath& filename);
     ~Module();
 
     // Points to the base address of the module.
-    const void* base_address;
+    uintptr_t base_address;
 
     // An opaque binary string that uniquely identifies a particular program
     // version with high probability. This is parsed from headers of the loaded
     // module.
     // For binaries generated by GNU tools:
     //   Contents of the .note.gnu.build-id field.
     // On Windows:
     //   GUID + AGE in the debug image headers of a module.
     std::string id;
 
     // The filename of the module.
     FilePath filename;
   };
 
   // Frame represents an individual sampled stack frame with module information.
   struct BASE_EXPORT Frame {
     // Identifies an unknown module.
     static const size_t kUnknownModuleIndex = static_cast<size_t>(-1);
 
-    Frame(const void* instruction_pointer, size_t module_index);
+    Frame(uintptr_t instruction_pointer, size_t module_index);
     ~Frame();
 
     // The sampled instruction pointer within the function.
-    const void* instruction_pointer;
+    uintptr_t instruction_pointer;
 
     // Index of the module in CallStackProfile::modules. We don't represent
     // module state directly here to save space.
     size_t module_index;
   };
 
   // Sample represents a set of stack frames.
   using Sample = std::vector<Frame>;
 
   // CallStackProfile represents a set of samples.
@@ skipping 126 matching lines @@
 // The metrics provider code wants to put Samples in a map and compare them,
 // which requires us to define a few operators.
 BASE_EXPORT bool operator==(const StackSamplingProfiler::Frame& a,
                             const StackSamplingProfiler::Frame& b);
 BASE_EXPORT bool operator<(const StackSamplingProfiler::Frame& a,
                            const StackSamplingProfiler::Frame& b);
 
 }  // namespace base
 
 #endif  // BASE_PROFILER_STACK_SAMPLING_PROFILER_H_