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

gpu/command_buffer/client/program_info_manager.cc

Index: gpu/command_buffer/client/program_info_manager.cc
diff --git a/gpu/command_buffer/client/program_info_manager.cc b/gpu/command_buffer/client/program_info_manager.cc
index adfb620c10fcff5c1b8190a3425a3b3adadd41f3..106e069c3be31fbb160a242aae2c2ad8482b482f 100644
--- a/gpu/command_buffer/client/program_info_manager.cc
+++ b/gpu/command_buffer/client/program_info_manager.cc
@@ -46,6 +46,9 @@ ProgramInfoManager::Program::UniformInfo::UniformInfo(
   DCHECK(!(size > 1 && !is_array));
 }
 
+ProgramInfoManager::Program::UniformInfo::UniformInfo(
+    const UniformInfo& other) = default;
+
 ProgramInfoManager::Program::UniformInfo::~UniformInfo() {
 }
 
@@ -67,6 +70,9 @@ ProgramInfoManager::Program::UniformBlock::UniformBlock()
       referenced_by_fragment_shader(false) {
 }
 
+ProgramInfoManager::Program::UniformBlock::UniformBlock(
+    const UniformBlock& other) = default;
+
 ProgramInfoManager::Program::UniformBlock::~UniformBlock() {
 }
 
@@ -93,6 +99,8 @@ ProgramInfoManager::Program::Program()
       cached_es3_uniformsiv_(false) {
 }
 
+ProgramInfoManager::Program::Program(const Program& other) = default;
+
 ProgramInfoManager::Program::~Program() {
 }