Make CFGAS_DefaultFontManager a class with only static methods.

It has no member variables.

Change-Id: I25b333e201d76e90d25e3f526cf23bccd2b4687a
Reviewed-on: https://pdfium-review.googlesource.com/c/43315
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

xfa/fgas/font/cfgas_defaultfontmanager.cpp

diff --git a/xfa/fgas/font/cfgas_defaultfontmanager.cpp b/xfa/fgas/font/cfgas_defaultfontmanager.cpp
index fcaf6fd..4380c4e 100644
--- a/xfa/fgas/font/cfgas_defaultfontmanager.cpp
+++ b/xfa/fgas/font/cfgas_defaultfontmanager.cpp
@@ -9,10 +9,7 @@
 #include "xfa/fgas/font/cfgas_gefont.h"
 #include "xfa/fgas/font/fgas_fontutils.h"
 
-CFGAS_DefaultFontManager::CFGAS_DefaultFontManager() {}
-
-CFGAS_DefaultFontManager::~CFGAS_DefaultFontManager() {}
-
+// static
 RetainPtr<CFGAS_GEFont> CFGAS_DefaultFontManager::GetFont(
     CFGAS_FontMgr* pFontMgr,
     const WideStringView& wsFontFamily,
@@ -55,6 +52,7 @@
   return pFont;
 }
 
+// static
 RetainPtr<CFGAS_GEFont> CFGAS_DefaultFontManager::GetDefaultFont(
     CFGAS_FontMgr* pFontMgr,
     const WideStringView& wsFontFamily,

xfa/fgas/font/cfgas_defaultfontmanager.h

diff --git a/xfa/fgas/font/cfgas_defaultfontmanager.h b/xfa/fgas/font/cfgas_defaultfontmanager.h
index 3d723d5..e1b36be 100644
--- a/xfa/fgas/font/cfgas_defaultfontmanager.h
+++ b/xfa/fgas/font/cfgas_defaultfontmanager.h
@@ -15,15 +15,17 @@
 
 class CFGAS_DefaultFontManager {
  public:
-  CFGAS_DefaultFontManager();
-  ~CFGAS_DefaultFontManager();
-
-  RetainPtr<CFGAS_GEFont> GetFont(CFGAS_FontMgr* pFontMgr,
-                                  const WideStringView& wsFontFamily,
-                                  uint32_t dwFontStyles);
-  RetainPtr<CFGAS_GEFont> GetDefaultFont(CFGAS_FontMgr* pFontMgr,
+  static RetainPtr<CFGAS_GEFont> GetFont(CFGAS_FontMgr* pFontMgr,
                                          const WideStringView& wsFontFamily,
                                          uint32_t dwFontStyles);
+  static RetainPtr<CFGAS_GEFont> GetDefaultFont(
+      CFGAS_FontMgr* pFontMgr,
+      const WideStringView& wsFontFamily,
+      uint32_t dwFontStyles);
+
+  CFGAS_DefaultFontManager() = delete;
+  CFGAS_DefaultFontManager(const CFGAS_DefaultFontManager&) = delete;
+  CFGAS_DefaultFontManager& operator=(const CFGAS_DefaultFontManager&) = delete;
 };
 
 #endif  // XFA_FGAS_FONT_CFGAS_DEFAULTFONTMANAGER_H_

xfa/fxfa/cxfa_ffapp.h

diff --git a/xfa/fxfa/cxfa_ffapp.h b/xfa/fxfa/cxfa_ffapp.h
index a729560..4a93780 100644
--- a/xfa/fxfa/cxfa_ffapp.h
+++ b/xfa/fxfa/cxfa_ffapp.h
@@ -17,7 +17,6 @@
 #include "xfa/fxfa/cxfa_fontmgr.h"
 #include "xfa/fxfa/fxfa.h"
 
-class CFGAS_DefaultFontManager;
 class CFGAS_FontMgr;
 class CFWL_WidgetMgr;
 class CPDF_Document;
@@ -33,8 +32,6 @@
   explicit CXFA_FFApp(IXFA_AppProvider* pProvider);
   ~CXFA_FFApp();
 
-  void SetDefaultFontMgr(std::unique_ptr<CFGAS_DefaultFontManager> pFontMgr);
-
   CXFA_FWLAdapterWidgetMgr* GetFWLAdapterWidgetMgr();
   CFWL_WidgetMgr* GetFWLWidgetMgr() const { return m_pFWLApp->GetWidgetMgr(); }
 

xfa/fxfa/cxfa_fontmgr.cpp

diff --git a/xfa/fxfa/cxfa_fontmgr.cpp b/xfa/fxfa/cxfa_fontmgr.cpp
index 7abf720..92fe77a 100644
--- a/xfa/fxfa/cxfa_fontmgr.cpp
+++ b/xfa/fxfa/cxfa_fontmgr.cpp
@@ -16,6 +16,7 @@
 #include "core/fxge/cfx_fontmgr.h"
 #include "core/fxge/cfx_gemodule.h"
 #include "third_party/base/ptr_util.h"
+#include "xfa/fgas/font/cfgas_defaultfontmanager.h"
 #include "xfa/fgas/font/cfgas_gefont.h"
 #include "xfa/fgas/font/fgas_fontutils.h"
 #include "xfa/fxfa/cxfa_ffapp.h"
@@ -44,9 +45,10 @@
     if (pFont)
       return pFont;
   }
-  if (!pFont)
-    pFont = m_pDefFontMgr.GetFont(hDoc->GetApp()->GetFDEFontMgr(), wsFontFamily,
-                                  dwFontStyles);
+  if (!pFont) {
+    pFont = CFGAS_DefaultFontManager::GetFont(hDoc->GetApp()->GetFDEFontMgr(),
+                                              wsFontFamily, dwFontStyles);
+  }
 
   if (!pFont && pMgr) {
     pFont = pMgr->GetFont(wsEnglishName.AsStringView(), dwFontStyles, false);
@@ -55,8 +57,8 @@
   }
 
   if (!pFont) {
-    pFont = m_pDefFontMgr.GetDefaultFont(hDoc->GetApp()->GetFDEFontMgr(),
-                                         wsFontFamily, dwFontStyles);
+    pFont = CFGAS_DefaultFontManager::GetDefaultFont(
+        hDoc->GetApp()->GetFDEFontMgr(), wsFontFamily, dwFontStyles);
   }
 
   if (!pFont) {

xfa/fxfa/cxfa_fontmgr.h

diff --git a/xfa/fxfa/cxfa_fontmgr.h b/xfa/fxfa/cxfa_fontmgr.h
index c009598..082c064 100644
--- a/xfa/fxfa/cxfa_fontmgr.h
+++ b/xfa/fxfa/cxfa_fontmgr.h
@@ -10,7 +10,6 @@
 #include <map>
 
 #include "core/fxcrt/fx_string.h"
-#include "xfa/fgas/font/cfgas_defaultfontmanager.h"
 
 class CFGAS_GEFont;
 class CXFA_FFDoc;
@@ -25,7 +24,6 @@
                                   uint32_t dwFontStyles);
 
  private:
-  CFGAS_DefaultFontManager m_pDefFontMgr;
   std::map<ByteString, RetainPtr<CFGAS_GEFont>> m_FontMap;
 };