IVGCVSW-4065 Refactor the IPacketBuffer smart pointers

 * Added convenience "using" statement for the unique pointers to
   IPacketBuffer
 * Replaced all the occurrencies in the code

Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>
Change-Id: Iffec3a425ffbc1ecb23012971563a48139eb32eb
diff --git a/src/profiling/test/BufferTests.cpp b/src/profiling/test/BufferTests.cpp
index 7a06843..cba209c 100644
--- a/src/profiling/test/BufferTests.cpp
+++ b/src/profiling/test/BufferTests.cpp
@@ -17,7 +17,7 @@
 
 BOOST_AUTO_TEST_CASE(PacketBufferTest0)
 {
-    std::unique_ptr<IPacketBuffer> packetBuffer = std::make_unique<PacketBuffer>(512);
+    IPacketBufferPtr packetBuffer = std::make_unique<PacketBuffer>(512);
 
     BOOST_TEST(packetBuffer->GetSize() == 0);
 
@@ -55,7 +55,7 @@
 
 BOOST_AUTO_TEST_CASE(PacketBufferTest1)
 {
-    std::unique_ptr<IPacketBuffer> packetBuffer = std::make_unique<PacketBuffer>(512);
+    IPacketBufferPtr packetBuffer = std::make_unique<PacketBuffer>(512);
 
     BOOST_TEST(packetBuffer->GetSize() == 0);
 
@@ -88,7 +88,7 @@
 }
 
 BOOST_AUTO_TEST_CASE(PacketBufferReleaseTest) {
-    std::unique_ptr<IPacketBuffer> packetBuffer = std::make_unique<PacketBuffer>(512);
+    IPacketBufferPtr packetBuffer = std::make_unique<PacketBuffer>(512);
 
     BOOST_TEST(packetBuffer->GetSize() == 0);
 
@@ -107,7 +107,7 @@
 
 BOOST_AUTO_TEST_CASE(PacketBufferCommitErrorTest)
 {
-    std::unique_ptr<IPacketBuffer> packetBuffer = std::make_unique<PacketBuffer>(8);
+    IPacketBufferPtr packetBuffer = std::make_unique<PacketBuffer>(8);
 
     // Cannot commit data bigger than the max size of the buffer
     BOOST_CHECK_THROW(packetBuffer->Commit(16);, armnn::RuntimeException);