Revert of Replace Chrome IPC with Mojo IPC for querying BatteryStatus service

content/renderer/shared_memory_seqlock_reader.h

Index: content/renderer/shared_memory_seqlock_reader.h
diff --git a/content/renderer/shared_memory_seqlock_reader.h b/content/renderer/shared_memory_seqlock_reader.h
index 7fd7beb95bbcb951d82ac333d7fd75237eb060de..1d0e60e6495e4122f462a74c95351e10fd5a9cd1 100644
--- a/content/renderer/shared_memory_seqlock_reader.h
+++ b/content/renderer/shared_memory_seqlock_reader.h
@@ -10,7 +10,6 @@
 #include "base/memory/shared_memory.h"
 #include "content/common/shared_memory_seqlock_buffer.h"
 
-namespace content {
 namespace internal {
 
 class SharedMemorySeqLockReaderBase  {
@@ -31,6 +30,8 @@
 };
 
 }  // namespace internal
+
+namespace content {
 
 // Template argument Data should be a pod-like structure only containing
 // data fields, such that it is copyable by memcpy method.