Missing bExact -> iExact conversions

This is the cause of the mac embeddertest failure when fx_bool is
replaced by bool (an incorrect overload).  The types still
match on master, prior to the conversion, so it's not noticed.

Find other instances as well.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1262683003 .
diff --git a/core/src/fxge/android/fx_android_font.cpp b/core/src/fxge/android/fx_android_font.cpp
index 3e2fc45..fd72e47 100644
--- a/core/src/fxge/android/fx_android_font.cpp
+++ b/core/src/fxge/android/fx_android_font.cpp
@@ -23,7 +23,7 @@
 {
     return FALSE;
 }
-void* CFX_AndroidFontInfo::MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, const FX_CHAR* face, FX_BOOL& bExact)
+void* CFX_AndroidFontInfo::MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, const FX_CHAR* face, int& iExact)
 {
     if (!m_pFontMgr) {
         return NULL;
diff --git a/core/src/fxge/android/fx_android_font.h b/core/src/fxge/android/fx_android_font.h
index 83c04a0..e0101b3 100644
--- a/core/src/fxge/android/fx_android_font.h
+++ b/core/src/fxge/android/fx_android_font.h
@@ -20,7 +20,7 @@
 
     virtual	FX_BOOL		EnumFontList(CFX_FontMapper* pMapper);
 
-    virtual void*		MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, const FX_CHAR* face, FX_BOOL& bExact);
+    virtual void*		MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, const FX_CHAR* face, int& bExact);
 
     virtual void*		GetFont(const FX_CHAR* face);
     virtual FX_DWORD	GetFontData(void* hFont, FX_DWORD table, uint8_t* buffer, FX_DWORD size);
diff --git a/core/src/fxge/apple/fx_mac_imp.cpp b/core/src/fxge/apple/fx_mac_imp.cpp
index 04b04b8..1bcbc9d 100644
--- a/core/src/fxge/apple/fx_mac_imp.cpp
+++ b/core/src/fxge/apple/fx_mac_imp.cpp
@@ -28,7 +28,7 @@
 class CFX_MacFontInfo : public CFX_FolderFontInfo
 {
 public:
-    virtual void*		MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, const FX_CHAR* family, FX_BOOL& bExact);
+    virtual void*		MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, const FX_CHAR* family, int& iExact);
 };
 #define JAPAN_GOTHIC "Hiragino Kaku Gothic Pro W6"
 #define JAPAN_MINCHO "Hiragino Mincho Pro W6"
@@ -44,14 +44,14 @@
         face = JAPAN_MINCHO;
     }
 }
-void* CFX_MacFontInfo::MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, const FX_CHAR* cstr_face, FX_BOOL& bExact)
+void* CFX_MacFontInfo::MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, const FX_CHAR* cstr_face, int& iExact)
 {
     CFX_ByteString face = cstr_face;
     int iBaseFont;
     for (iBaseFont = 0; iBaseFont < 12; iBaseFont ++)
         if (face == CFX_ByteStringC(Base14Substs[iBaseFont].m_pName)) {
             face = Base14Substs[iBaseFont].m_pSubstName;
-            bExact = TRUE;
+            iExact = TRUE;
             break;
         }
     if (iBaseFont < 12) {