Make code compile with clang_use_chrome_plugin (part III)

This change contains files in xfa/fxbarcode directory.
This is part of the efforts to make PDFium code compilable
by Clang chromium style plugins.

The changes are mainly the following:
-- move inline constructor/destructor of complex class/struct out-of-line;
-- add constructor/destructor of complex class/struct if not
 explicitly defined;
-- add explicit out-of-line copy constructor when needed;
-- move inline virtual functions out-of-line;
-- Properly mark virtual functions with 'override';
-- some minor cleanups;

BUG=pdfium:469

Review-Url: https://codereview.chromium.org/2067903002

1 files changed, 19 insertions, 0 deletions

diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.cpp
index d1dcc23e7b..29fb792ced 100644
--- a/xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.cpp
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.cpp
@@ -170,3 +170,22 @@ CBC_DataMatrixVersion* CBC_DataMatrixVersion::GetVersionForDimensions(
   e = BCExceptionNotFound;
   return nullptr;
 }
+
+ECB::ECB(int32_t count, int32_t dataCodewords)
+    : m_count(count), m_dataCodewords(dataCodewords) {}
+
+ECBlocks::ECBlocks(int32_t ecCodewords, ECB* ecBlocks)
+    : m_ecCodewords(ecCodewords) {
+  m_ecBlocksArray.Add(ecBlocks);
+}
+
+ECBlocks::ECBlocks(int32_t ecCodewords, ECB* ecBlocks1, ECB* ecBlocks2)
+    : m_ecCodewords(ecCodewords) {
+  m_ecBlocksArray.Add(ecBlocks1);
+  m_ecBlocksArray.Add(ecBlocks2);
+}
+
+ECBlocks::~ECBlocks() {
+  for (int32_t i = 0; i < m_ecBlocksArray.GetSize(); i++)
+    delete m_ecBlocksArray[i];
+}