Vulkan: Rename StreamingBuffer to DynamicBuffer.

This makes it consistent with DynamicDescriptorPool, and gives a bit
more precise definition.

Bug: angleproject:2318
Change-Id: I8953113165ebe2d0dcfc0fc923d94280180442ce
Reviewed-on: https://chromium-review.googlesource.com/985199
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Luc Ferron <lucferron@chromium.org>
diff --git a/src/libANGLE/renderer/vulkan/VertexArrayVk.cpp b/src/libANGLE/renderer/vulkan/VertexArrayVk.cpp
index f19ddb8..df7bf21 100644
--- a/src/libANGLE/renderer/vulkan/VertexArrayVk.cpp
+++ b/src/libANGLE/renderer/vulkan/VertexArrayVk.cpp
@@ -50,7 +50,7 @@
 }
 
 gl::Error VertexArrayVk::streamVertexData(const gl::Context *context,
-                                          StreamingBuffer *stream,
+                                          DynamicBuffer *dynamicBuffer,
                                           const gl::DrawCallParams &drawCallParams)
 {
     ContextVk *contextVk         = vk::GetImpl(context);
@@ -86,14 +86,14 @@
             lastVertex * binding.getStride() + gl::ComputeVertexAttributeTypeSize(attrib);
         uint8_t *dst = nullptr;
         uint32_t offset = 0;
-        ANGLE_TRY(stream->allocate(contextVk, lastByte, &dst,
-                                   &mCurrentArrayBufferHandles[attribIndex], &offset, nullptr));
+        ANGLE_TRY(dynamicBuffer->allocate(
+            contextVk, lastByte, &dst, &mCurrentArrayBufferHandles[attribIndex], &offset, nullptr));
         mCurrentArrayBufferOffsets[attribIndex] = static_cast<VkDeviceSize>(offset);
         memcpy(dst + firstByte, static_cast<const uint8_t *>(attrib.pointer) + firstByte,
                lastByte - firstByte);
     }
 
-    ANGLE_TRY(stream->flush(contextVk));
+    ANGLE_TRY(dynamicBuffer->flush(contextVk));
     return gl::NoError();
 }