core: system: Rename GetDeviceManager -> DeviceManager.

- More consistent with other system components.

src/core/core.cpp

@@ -141,7 +141,7 @@ struct System::Impl {
     ResultStatus Init(System& system, Frontend::EmuWindow& emu_window) {
         LOG_DEBUG(HW_Memory, "initialized OK");
 
-        device_memory = std::make_unique<DeviceMemory>(system);
+        device_memory = std::make_unique<Core::DeviceMemory>(system);
 
         core_timing.Initialize();
         kernel.Initialize();
@@ -350,7 +350,7 @@ struct System::Impl {
     std::unique_ptr<Loader::AppLoader> app_loader;
     std::unique_ptr<Tegra::GPU> gpu_core;
     std::unique_ptr<Hardware::InterruptManager> interrupt_manager;
-    std::unique_ptr<DeviceMemory> device_memory;
+    std::unique_ptr<Core::DeviceMemory> device_memory;
     Core::Memory::Memory memory;
     CpuManager cpu_manager;
     bool is_powered_on = false;
@@ -477,11 +477,11 @@ Kernel::Process* System::CurrentProcess() {
     return impl->kernel.CurrentProcess();
 }
 
-DeviceMemory& System::GetDeviceMemory() {
+Core::DeviceMemory& System::DeviceMemory() {
     return *impl->device_memory;
 }
 
-const DeviceMemory& System::GetDeviceMemory() const {
+const Core::DeviceMemory& System::DeviceMemory() const {
     return *impl->device_memory;
 }
 

src/core/core.h

@@ -258,10 +258,10 @@ public:
     const Kernel::GlobalScheduler& GlobalScheduler() const;
 
     /// Gets the manager for the guest device memory
-    DeviceMemory& GetDeviceMemory();
+    Core::DeviceMemory& DeviceMemory();
 
     /// Gets the manager for the guest device memory
-    const DeviceMemory& GetDeviceMemory() const;
+    const Core::DeviceMemory& DeviceMemory() const;
 
     /// Provides a pointer to the current process
     Kernel::Process* CurrentProcess();

src/core/hle/kernel/memory/page_table.cpp

@@ -937,7 +937,7 @@ ResultVal<VAddr> PageTable::AllocateAndMapMemory(std::size_t needed_num_pages, s
 }
 
 PAddr PageTable::GetPhysicalAddr(VAddr addr) {
-    return system.GetDeviceMemory().GetPhysicalAddr(addr);
+    return system.DeviceMemory().GetPhysicalAddr(addr);
 }
 
 ResultCode PageTable::InitializeMemoryLayout(VAddr start, VAddr end) {