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Unified Diff: base/memory/discardable_memory.cc

Issue 1013463003: Update from https://crrev.com/320931 (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: base/memory/discardable_memory.cc
diff --git a/base/memory/discardable_memory.cc b/base/memory/discardable_memory.cc
index 7d19f9a9c274e9346dfadf7dfd7069d857933967..0e3b58a356390ba604aea22d3f692701eba09fff 100644
--- a/base/memory/discardable_memory.cc
+++ b/base/memory/discardable_memory.cc
@@ -4,80 +4,14 @@
#include "base/memory/discardable_memory.h"
-#include "base/lazy_instance.h"
-#include "base/logging.h"
+#include "base/memory/discardable_memory_shmem.h"
namespace base {
-namespace {
-
-const struct TypeNamePair {
- DiscardableMemoryType type;
- const char* name;
-} kTypeNamePairs[] = {
- { DISCARDABLE_MEMORY_TYPE_SHMEM, "shmem" }
-};
-
-DiscardableMemoryType g_preferred_type = DISCARDABLE_MEMORY_TYPE_NONE;
-
-struct DefaultPreferredType {
- DefaultPreferredType() : value(DISCARDABLE_MEMORY_TYPE_NONE) {
- std::vector<DiscardableMemoryType> supported_types;
- DiscardableMemory::GetSupportedTypes(&supported_types);
- DCHECK(!supported_types.empty());
- value = supported_types[0];
- }
- DiscardableMemoryType value;
-};
-LazyInstance<DefaultPreferredType>::Leaky g_default_preferred_type =
- LAZY_INSTANCE_INITIALIZER;
-
-} // namespace
-
-// static
-DiscardableMemoryType DiscardableMemory::GetNamedType(
- const std::string& name) {
- for (size_t i = 0; i < arraysize(kTypeNamePairs); ++i) {
- if (name == kTypeNamePairs[i].name)
- return kTypeNamePairs[i].type;
- }
-
- return DISCARDABLE_MEMORY_TYPE_NONE;
-}
-
-// static
-const char* DiscardableMemory::GetTypeName(DiscardableMemoryType type) {
- for (size_t i = 0; i < arraysize(kTypeNamePairs); ++i) {
- if (type == kTypeNamePairs[i].type)
- return kTypeNamePairs[i].name;
- }
-
- return "unknown";
-}
-
-// static
-void DiscardableMemory::SetPreferredType(DiscardableMemoryType type) {
- // NONE is a reserved value and not a valid default type.
- DCHECK_NE(DISCARDABLE_MEMORY_TYPE_NONE, type);
-
- // Make sure this function is only called once before the first call
- // to GetPreferredType().
- DCHECK_EQ(DISCARDABLE_MEMORY_TYPE_NONE, g_preferred_type);
-
- g_preferred_type = type;
-}
-
-// static
-DiscardableMemoryType DiscardableMemory::GetPreferredType() {
- if (g_preferred_type == DISCARDABLE_MEMORY_TYPE_NONE)
- g_preferred_type = g_default_preferred_type.Get().value;
-
- return g_preferred_type;
-}
// static
scoped_ptr<DiscardableMemory> DiscardableMemory::CreateLockedMemory(
size_t size) {
- return CreateLockedMemoryWithType(GetPreferredType(), size);
+ return make_scoped_ptr(new internal::DiscardableMemoryShmem(size));
}
} // namespace base
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