Cleanup: Fix some unused-function warnings.

BUG=pdfium:29
R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/891113002

4 files changed, 16 insertions, 47 deletions

diff --git a/core/src/fpdfapi/fpdf_basic_module.cpp b/core/src/fpdfapi/fpdf_basic_module.cpp
index edccda5743..82658ab51e 100644
--- a/core/src/fpdfapi/fpdf_basic_module.cpp
+++ b/core/src/fpdfapi/fpdf_basic_module.cpp
@@ -61,23 +61,6 @@ FX_BOOL CPDF_ModuleMgr::DownloadModule(FX_LPCSTR module_name)
     }
     return m_pDownloadCallback(module_name);
 }
-static CFX_ByteString _GetPath(const CFX_ByteString& folder, FX_LPCSTR name)
-{
-    FX_STRSIZE folder_len = folder.GetLength();
-#if _FX_OS_ == _FX_SYMBIAN_ || _FXM_PLATFORM_  == _FXM_PLATFORM_WINDOWS_
-    if (folder[folder_len - 1] == '\\') {
-        return folder + name;
-    } else {
-        return (folder + "\\") + name;
-    }
-#else
-    if (folder[folder_len - 1] == '/') {
-        return folder + name;
-    } else {
-        return (folder + "/") + name;
-    }
-#endif
-}
 void CPDF_ModuleMgr::NotifyModuleAvailable(FX_LPCSTR module_name)
 {
     if (FXSYS_strcmp(module_name, ADDIN_NAME_CJK) == 0) {
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
index 45d0078e8a..4583bc1b25 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
@@ -329,7 +329,6 @@ int	CPDF_DIBSource::StartLoadDIBSource(CPDF_Document* pDoc, const CPDF_Stream* p
     if (m_pStreamAcc->GetSize() == 0 || m_pStreamAcc->GetData() == NULL) {
         return 0;
     }
-    const CFX_ByteString& decoder = m_pStreamAcc->GetImageDecoder();
     int ret = CreateDecoder();
     if (ret != 1) {
         if (!ret) {
diff --git a/core/src/fpdfdoc/doc_basic.cpp b/core/src/fpdfdoc/doc_basic.cpp
index 459ae87a0a..496ed86122 100644
--- a/core/src/fpdfdoc/doc_basic.cpp
+++ b/core/src/fpdfdoc/doc_basic.cpp
@@ -250,6 +250,7 @@ CPDF_Array*	CPDF_NameTree::LookupNamedDest(CPDF_Document* pDoc, FX_BSTR sName)
     }
     return NULL;
 }
+#if _FXM_PLATFORM_  == _FXM_PLATFORM_APPLE_ || _FXM_PLATFORM_  == _FXM_PLATFORM_WINDOWS_
 static CFX_WideString ChangeSlashToPlatform(FX_LPCWSTR str)
 {
     CFX_WideString result;
@@ -257,10 +258,8 @@ static CFX_WideString ChangeSlashToPlatform(FX_LPCWSTR str)
         if (*str == '/') {
 #if _FXM_PLATFORM_  == _FXM_PLATFORM_APPLE_
             result += ':';
-#elif _FXM_PLATFORM_  == _FXM_PLATFORM_WINDOWS_
-            result += '\\';
 #else
-            result += *str;
+            result += '\\';
 #endif
         } else {
             result += *str;
@@ -269,6 +268,20 @@ static CFX_WideString ChangeSlashToPlatform(FX_LPCWSTR str)
     }
     return result;
 }
+static CFX_WideString ChangeSlashToPDF(FX_LPCWSTR str)
+{
+    CFX_WideString result;
+    while (*str) {
+        if (*str == '\\' || *str == ':') {
+            result += '/';
+        } else {
+            result += *str;
+        }
+        str++;
+    }
+    return result;
+}
+#endif
 static CFX_WideString FILESPEC_DecodeFileName(FX_WSTR filepath)
 {
     if (filepath.GetLength() <= 1) {
@@ -349,19 +362,6 @@ FX_BOOL CPDF_FileSpec::IsURL() const
     }
     return ((CPDF_Dictionary*)m_pObj)->GetString(FX_BSTRC("FS")) == FX_BSTRC("URL");
 }
-static CFX_WideString ChangeSlashToPDF(FX_LPCWSTR str)
-{
-    CFX_WideString result;
-    while (*str) {
-        if (*str == '\\' || *str == ':') {
-            result += '/';
-        } else {
-            result += *str;
-        }
-        str++;
-    }
-    return result;
-}
 CFX_WideString FILESPEC_EncodeFileName(FX_WSTR filepath)
 {
     if (filepath.GetLength() <= 1) {
diff --git a/core/src/fxge/ge/fx_ge_fontmap.cpp b/core/src/fxge/ge/fx_ge_fontmap.cpp
index 22c399150d..079c485b01 100644
--- a/core/src/fxge/ge/fx_ge_fontmap.cpp
+++ b/core/src/fxge/ge/fx_ge_fontmap.cpp
@@ -748,19 +748,6 @@ FX_DWORD _GetCodePageRangeFromCharset(int charset)
     }
     return 1 << 21;
 }
-static int CP2CharSet(int cp)
-{
-    if(cp == 932) {
-        return FXFONT_SHIFTJIS_CHARSET;
-    } else if(cp == 936) {
-        return FXFONT_GB2312_CHARSET;
-    } else if(cp == 949) {
-        return FXFONT_HANGEUL_CHARSET;
-    } else if(cp == 950) {
-        return FXFONT_CHINESEBIG5_CHARSET;
-    }
-    return FXFONT_DEFAULT_CHARSET;
-}
 FXFT_Face CFX_FontMapper::UseInternalSubst(CFX_SubstFont* pSubstFont, int iBaseFont, int italic_angle, int weight, int picthfamily)
 {
     if (iBaseFont < 12) {