Index: components/metrics/leak_detector/call_stack_manager.cc |
diff --git a/components/metrics/leak_detector/call_stack_manager.cc b/components/metrics/leak_detector/call_stack_manager.cc |
deleted file mode 100644 |
index de9fcd825aca246b786c5ee7bef9902c1c9ef105..0000000000000000000000000000000000000000 |
--- a/components/metrics/leak_detector/call_stack_manager.cc |
+++ /dev/null |
@@ -1,67 +0,0 @@ |
-// 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. |
- |
-#include "components/metrics/leak_detector/call_stack_manager.h" |
- |
-#include <algorithm> // For std::copy. |
-#include <new> |
- |
-#include "base/hash.h" |
-#include "components/metrics/leak_detector/custom_allocator.h" |
- |
-namespace metrics { |
-namespace leak_detector { |
- |
-CallStackManager::CallStackManager() {} |
- |
-CallStackManager::~CallStackManager() { |
- for (CallStack* call_stack : call_stacks_) { |
- CustomAllocator::Free(call_stack->stack, |
- call_stack->depth * sizeof(*call_stack->stack)); |
- call_stack->stack = nullptr; |
- call_stack->depth = 0; |
- |
- CustomAllocator::Free(call_stack, sizeof(CallStack)); |
- } |
- call_stacks_.clear(); |
-} |
- |
-const CallStack* CallStackManager::GetCallStack(size_t depth, |
- const void* const stack[]) { |
- // Temporarily create a call stack object for lookup in |call_stacks_|. |
- CallStack temp; |
- temp.depth = depth; |
- temp.stack = const_cast<const void**>(stack); |
- // This is the only place where the call stack's hash is computed. This value |
- // can be reused in the created object to avoid further hash computation. |
- temp.hash = |
- base::Hash(reinterpret_cast<const char*>(stack), sizeof(*stack) * depth); |
- |
- auto iter = call_stacks_.find(&temp); |
- if (iter != call_stacks_.end()) |
- return *iter; |
- |
- // Since |call_stacks_| stores CallStack pointers rather than actual objects, |
- // create new call objects manually here. |
- CallStack* call_stack = |
- new (CustomAllocator::Allocate(sizeof(CallStack))) CallStack; |
- call_stack->depth = depth; |
- call_stack->hash = temp.hash; // Don't run the hash function again. |
- call_stack->stack = reinterpret_cast<const void**>( |
- CustomAllocator::Allocate(sizeof(*stack) * depth)); |
- std::copy(stack, stack + depth, call_stack->stack); |
- |
- call_stacks_.insert(call_stack); |
- return call_stack; |
-} |
- |
-bool CallStackManager::CallStackPointerEqual::operator()( |
- const CallStack* c1, |
- const CallStack* c2) const { |
- return c1->depth == c2->depth && c1->hash == c2->hash && |
- std::equal(c1->stack, c1->stack + c1->depth, c2->stack); |
-} |
- |
-} // namespace leak_detector |
-} // namespace metrics |