[arraybuffer] Remove unused parameter of ArrayBufferContents constructor

The parameter was not used anymore.

R=haraken@chromium.org
CC=​ulan@chromium.org

Bug: chromium:1008840
Change-Id: I4651b4e9bdb4425820316d998ff3b9d11aaab90b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1893276Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#713420}

third_party/blink/renderer/core/mojo/mojo_handle.cc

@@ -243,12 +243,10 @@ MojoMapBufferResult* MojoHandle::mapBuffer(unsigned offset,
   result_dict->setResult(result);
   if (result == MOJO_RESULT_OK) {
     ArrayBufferContents contents(
-        data, num_bytes,
-        [](void* buffer, size_t length, void* alloc_data) {
+        data, num_bytes, [](void* buffer, size_t length, void* alloc_data) {
           MojoResult result = MojoUnmapBuffer(buffer);
           DCHECK_EQ(result, MOJO_RESULT_OK);
-        },
-        ArrayBufferContents::kNotShared);
+        });
     result_dict->setBuffer(DOMArrayBuffer::Create(contents));
   }
   return result_dict;

third_party/blink/renderer/core/typed_arrays/array_buffer/array_buffer_contents.cc

@@ -36,18 +36,12 @@ namespace blink {
 
 ArrayBufferContents::ArrayBufferContents(void* data,
                                          size_t length,
-                                         DataDeleter deleter,
-                                         SharingType is_shared) {
+                                         DataDeleter deleter) {
   if (!data) {
     return;
   }
-  if (is_shared == kNotShared) {
-    backing_store_ =
-        v8::ArrayBuffer::NewBackingStore(data, length, deleter, nullptr);
-  } else {
-    backing_store_ =
-        v8::SharedArrayBuffer::NewBackingStore(data, length, deleter, nullptr);
-  }
+  backing_store_ =
+      v8::ArrayBuffer::NewBackingStore(data, length, deleter, nullptr);
 }
 
 ArrayBufferContents::ArrayBufferContents(

third_party/blink/renderer/core/typed_arrays/array_buffer/array_buffer_contents.h

@@ -63,10 +63,7 @@ class CORE_EXPORT ArrayBufferContents {
                       size_t element_byte_size,
                       SharingType is_shared,
                       InitializationPolicy);
-  ArrayBufferContents(void* data,
-                      size_t length,
-                      DataDeleter deleter,
-                      SharingType is_shared);
+  ArrayBufferContents(void* data, size_t length, DataDeleter deleter);
   ArrayBufferContents(ArrayBufferContents&&) = default;
   explicit ArrayBufferContents(std::shared_ptr<v8::BackingStore> backing_store);
 

third_party/blink/renderer/modules/webgpu/gpu_buffer.cc

@@ -61,12 +61,11 @@ WGPUBufferDescriptor AsDawnType(const GPUBufferDescriptor* webgpu_desc) {
 DOMArrayBuffer* CreateArrayBufferForMappedData(void* data, size_t data_length) {
   DCHECK(data);
 
-  ArrayBufferContents contents(
-      data, data_length,
-      [](void* data, size_t length, void* info) {
-        // DataDeleter does nothing because Dawn wire owns the memory.
-      },
-      ArrayBufferContents::SharingType::kNotShared);
+  ArrayBufferContents contents(data, data_length,
+                               [](void* data, size_t length, void* info) {
+                                 // DataDeleter does nothing because Dawn wire
+                                 // owns the memory.
+                               });
 
   return DOMArrayBuffer::Create(contents);
 }