Simplify PDFium by removing code that's not used in the open source repo.

core/src/fxge/win32/fx_win32_device.cpp

Index: core/src/fxge/win32/fx_win32_device.cpp
diff --git a/core/src/fxge/win32/fx_win32_device.cpp b/core/src/fxge/win32/fx_win32_device.cpp
index d82102462a91a920b6d013563fb0205feedbfbd5..06e9777650b5490924483eefd0122190ae3aeff7 100644
--- a/core/src/fxge/win32/fx_win32_device.cpp
+++ b/core/src/fxge/win32/fx_win32_device.cpp
@@ -391,12 +391,10 @@ FX_BOOL CWin32FontInfo::GetFontCharset(void* hFont, int& charset)
     charset = tm.tmCharSet;
     return TRUE;
 }
-#ifndef _FPDFAPI_MINI_
 IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault()
 {
     return FX_NEW CWin32FontInfo;
 }
-#endif
 void CFX_GEModule::InitPlatform()
 {
     CWin32Platform* pPlatformData = FX_NEW CWin32Platform;
@@ -571,29 +569,29 @@ FX_BOOL CGdiDeviceDriver::GDI_StretchBitMask(const CFX_DIBitmap* pBitmap1, int d
     bmi.bmiColors[0] = 0xffffff;
     bmi.bmiColors[1] = 0;
 
-    HBRUSH hPattern = CreateSolidBrush(bitmap_color & 0xffffff);
-    HBRUSH hOld = (HBRUSH)SelectObject(m_hDC, hPattern);
-
-    
-    // In PDF, when image mask is 1, use device bitmap; when mask is 0, use brush bitmap.
-    // A complete list of the boolen operations is as follows:
-
-    /* P(bitmap_color)    S(ImageMask)    D(DeviceBitmap)    Result
-     *        0                 0                0              0
-     *        0                 0                1              0
-     *        0                 1                0              0
-     *        0                 1                1              1
-     *        1                 0                0              1
-     *        1                 0                1              1
-     *        1                 1                0              0
-     *        1                 1                1              1
-     */
-    // The boolen codes is B8. Based on http://msdn.microsoft.com/en-us/library/aa932106.aspx, the ROP3 code is 0xB8074A
-
-    ::StretchDIBits(m_hDC, dest_left, dest_top, dest_width, dest_height,
-                    0, 0, width, height, pBitmap->GetBuffer(), (BITMAPINFO*)&bmi, DIB_RGB_COLORS, 0xB8074A);
-
-    SelectObject(m_hDC, hOld);
+    HBRUSH hPattern = CreateSolidBrush(bitmap_color & 0xffffff);
+    HBRUSH hOld = (HBRUSH)SelectObject(m_hDC, hPattern);
+
+    
+    // In PDF, when image mask is 1, use device bitmap; when mask is 0, use brush bitmap.
+    // A complete list of the boolen operations is as follows:
+
+    /* P(bitmap_color)    S(ImageMask)    D(DeviceBitmap)    Result
+     *        0                 0                0              0
+     *        0                 0                1              0
+     *        0                 1                0              0
+     *        0                 1                1              1
+     *        1                 0                0              1
+     *        1                 0                1              1
+     *        1                 1                0              0
+     *        1                 1                1              1
+     */
+    // The boolen codes is B8. Based on http://msdn.microsoft.com/en-us/library/aa932106.aspx, the ROP3 code is 0xB8074A
+
+    ::StretchDIBits(m_hDC, dest_left, dest_top, dest_width, dest_height,
+                    0, 0, width, height, pBitmap->GetBuffer(), (BITMAPINFO*)&bmi, DIB_RGB_COLORS, 0xB8074A);
+
+    SelectObject(m_hDC, hOld);
     DeleteObject(hPattern);
 
     return TRUE;
@@ -979,11 +977,9 @@ FX_BOOL CGdiDisplayDriver::GetDIBits(CFX_DIBitmap* pBitmap, int left, int top, v
             ret = FALSE;
         }
     }
-#ifndef _FPDFAPI_MINI_
     if (pBitmap->HasAlpha() && ret) {
         pBitmap->LoadChannel(FXDIB_Alpha, 0xff);
     }
-#endif
     DeleteObject(hbmp);
     DeleteObject(hDCMemory);
     return ret;
@@ -1175,11 +1171,9 @@ IFX_RenderDeviceDriver* CFX_WindowsDevice::CreateDriver(HDC hDC, FX_BOOL bCmykOu
     } else {
         device_class = FXDC_DISPLAY;
     }
-#ifndef _FPDFAPI_MINI_
     if (device_class == FXDC_PRINTER) {
         return FX_NEW CGdiPrinterDriver(hDC);
     }
-#endif
     return FX_NEW CGdiDisplayDriver(hDC);
 }
 CFX_WinBitmapDevice::CFX_WinBitmapDevice(int width, int height, FXDIB_Format format)