Make code compile with clang_use_chrome_plugin (part II)

This change contains files in core directory which were not covered
in part I. 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/2060913003

1 files changed, 18 insertions, 13 deletions

diff --git a/core/fxcrt/include/fx_ucd.h b/core/fxcrt/include/fx_ucd.h
index c2c4688628..eeecd39cbf 100644
--- a/core/fxcrt/include/fx_ucd.h
+++ b/core/fxcrt/include/fx_ucd.h
@@ -152,8 +152,7 @@ typedef CFX_ArrayTemplate<CFX_Char> CFX_CharArray;
 class CFX_TxtChar : public CFX_Char {
  public:
   CFX_TxtChar()
-      : CFX_Char(),
-        m_dwStatus(0),
+      : m_dwStatus(0),
         m_iBidiClass(0),
         m_iBidiLevel(0),
         m_iBidiPos(0),
@@ -169,17 +168,9 @@ class CFX_TxtChar : public CFX_Char {
 typedef CFX_ArrayTemplate<CFX_TxtChar> CFX_TxtCharArray;
 class CFX_RTFChar : public CFX_Char {
  public:
-  CFX_RTFChar()
-      : CFX_Char(),
-        m_dwStatus(0),
-        m_iFontSize(0),
-        m_iFontHeight(0),
-        m_iBidiClass(0),
-        m_iBidiLevel(0),
-        m_iBidiPos(0),
-        m_dwLayoutStyles(0),
-        m_dwIdentity(0),
-        m_pUserData(nullptr) {}
+  CFX_RTFChar();
+  CFX_RTFChar(const CFX_RTFChar& other);
+
   uint32_t m_dwStatus;
   int32_t m_iFontSize;
   int32_t m_iFontHeight;
@@ -191,6 +182,20 @@ class CFX_RTFChar : public CFX_Char {
   uint32_t m_dwIdentity;
   IFX_Retainable* m_pUserData;
 };
+
+inline CFX_RTFChar::CFX_RTFChar()
+    : m_dwStatus(0),
+      m_iFontSize(0),
+      m_iFontHeight(0),
+      m_iBidiClass(0),
+      m_iBidiLevel(0),
+      m_iBidiPos(0),
+      m_dwLayoutStyles(0),
+      m_dwIdentity(0),
+      m_pUserData(nullptr) {}
+
+inline CFX_RTFChar::CFX_RTFChar(const CFX_RTFChar& other) = default;
+
 typedef CFX_ArrayTemplate<CFX_RTFChar> CFX_RTFCharArray;
 #endif  // PDF_ENABLE_XFA