Linux build fixes for webframe_imple.cc

base/gfx/bitmap_platform_device_linux.h

Index: base/gfx/bitmap_platform_device_linux.h
diff --git a/base/gfx/bitmap_platform_device_linux.h b/base/gfx/bitmap_platform_device_linux.h
index 2bb5a2400d87de7832e174583055ff913c477802..bf6190dc1b152a1f06ff7cc03d673c74064f25ac 100644
--- a/base/gfx/bitmap_platform_device_linux.h
+++ b/base/gfx/bitmap_platform_device_linux.h
@@ -23,6 +23,9 @@ class BitmapPlatformDeviceLinux : public PlatformDeviceLinux {
   /// we ever have to share state between some native drawing UI and Skia, like
   /// the Windows and Mac versions of this class do.
   BitmapPlatformDeviceLinux(const SkBitmap& other);
+
+  BitmapPlatformDeviceLinux(const BitmapPlatformDeviceLinux& other);
+
   virtual ~BitmapPlatformDeviceLinux();
 };