Remove some LatencyInfo merging code path

content/common/gpu/client/command_buffer_proxy_impl.cc

Index: content/common/gpu/client/command_buffer_proxy_impl.cc
diff --git a/content/common/gpu/client/command_buffer_proxy_impl.cc b/content/common/gpu/client/command_buffer_proxy_impl.cc
index 768b427039343a30643dc432bc8e297294c05cf9..70e070f1a4984387ed056944586c0329006c59b1 100644
--- a/content/common/gpu/client/command_buffer_proxy_impl.cc
+++ b/content/common/gpu/client/command_buffer_proxy_impl.cc
@@ -212,10 +212,16 @@ void CommandBufferProxyImpl::Flush(int32 put_offset) {
 }
 
 void CommandBufferProxyImpl::SetLatencyInfo(
-    const ui::LatencyInfo& latency_info) {
+    const std::vector<ui::LatencyInfo>& latency_info) {
   if (last_state_.error != gpu::error::kNoError)
     return;
-  Send(new GpuCommandBufferMsg_SetLatencyInfo(route_id_, latency_info));
+  // TODO(miletus) : Pass the std::vector<ui::LatencyInfo> latency_info
+  // directly without merging once GpuCommandBufferMsg_SetLatencyInfo
+  // is converted to contain std::vector<ui::LatencyInfo>.
+  ui::LatencyInfo merged_latency;
+  for (size_t i = 0; i < latency_info.size(); i++)
+    merged_latency.MergeWith(latency_info[i]);
+  Send(new GpuCommandBufferMsg_SetLatencyInfo(route_id_, merged_latency));
 }
 
 gpu::CommandBuffer::State CommandBufferProxyImpl::FlushSync(