gpu: Add out-of-line copy ctors for complex classes.

gpu/config/gpu_info.cc

Index: gpu/config/gpu_info.cc
diff --git a/gpu/config/gpu_info.cc b/gpu/config/gpu_info.cc
index e9f354b90db660517ab9141549686181d7e20be3..4b442f303a0a65aa643b706b1a9596c116b0e685 100644
--- a/gpu/config/gpu_info.cc
+++ b/gpu/config/gpu_info.cc
@@ -51,6 +51,9 @@ namespace gpu {
 VideoDecodeAcceleratorCapabilities::VideoDecodeAcceleratorCapabilities()
     : flags(0) {}
 
+VideoDecodeAcceleratorCapabilities::VideoDecodeAcceleratorCapabilities(
+    const VideoDecodeAcceleratorCapabilities& other) = default;
+
 VideoDecodeAcceleratorCapabilities::~VideoDecodeAcceleratorCapabilities() {}
 
 GPUInfo::GPUDevice::GPUDevice()
@@ -81,6 +84,8 @@ GPUInfo::GPUInfo()
       jpeg_decode_accelerator_supported(false) {
 }
 
+GPUInfo::GPUInfo(const GPUInfo& other) = default;
+
 GPUInfo::~GPUInfo() { }
 
 void GPUInfo::EnumerateFields(Enumerator* enumerator) const {