Move OneWriterSeqLock and SharedMemorySeqLockBuffer from content/ to device/base/synchronization

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 a7a7a222b61bf6993a6bc836c8e9f217d0f98f46..0285c0f0b86f76adfe2135e530c5ef65341e0d39 100644
--- a/content/renderer/shared_memory_seqlock_reader.h
+++ b/content/renderer/shared_memory_seqlock_reader.h
@@ -12,7 +12,7 @@
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/shared_memory.h"
-#include "content/common/shared_memory_seqlock_buffer.h"
+#include "base/synchronization/shared_memory_seqlock_buffer.h"
 
 namespace content {
 namespace internal {
@@ -26,8 +26,11 @@ class SharedMemorySeqLockReaderBase  {
       base::SharedMemoryHandle shared_memory_handle,
       size_t buffer_size);
 
-  bool FetchFromBuffer(content::OneWriterSeqLock* seqlock, void* final,
-      void* temp, void* from, size_t size);
+  bool FetchFromBuffer(base::OneWriterSeqLock* seqlock,
+                       void* final,
+                       void* temp,
+                       void* from,
+                       size_t size);
 
   static const int kMaximumContentionCount = 10;
   base::SharedMemoryHandle renderer_shared_memory_handle_;
@@ -54,8 +57,9 @@ class SharedMemorySeqLockReader
 
   bool Initialize(base::SharedMemoryHandle shared_memory_handle) {
     if (void* memory = InitializeSharedMemory(
-        shared_memory_handle, sizeof(SharedMemorySeqLockBuffer<Data>))) {
-      buffer_ = static_cast<SharedMemorySeqLockBuffer<Data>*>(memory);
+            shared_memory_handle,

[timvolodine, 2016/09/23 17:34:28]

is this the correct indentation? I thought it should be +4sp

+            sizeof(base::SharedMemorySeqLockBuffer<Data>))) {
+      buffer_ = static_cast<base::SharedMemorySeqLockBuffer<Data>*>(memory);
       temp_buffer_.reset(new Data);
       return true;
     }
@@ -63,7 +67,7 @@ class SharedMemorySeqLockReader
   }
 
  private:
-  SharedMemorySeqLockBuffer<Data>* buffer_;
+  base::SharedMemorySeqLockBuffer<Data>* buffer_;
   std::unique_ptr<Data> temp_buffer_;
 
   DISALLOW_COPY_AND_ASSIGN(SharedMemorySeqLockReader);