Move CFX_BitStream to its own file

This CL moves the CFX_BitStream code out of fx_basic and into
cfx_bitstream.

Bug: pdfium:867
Change-Id: I5b7e6190a7db1fe1d24feb6bd676035a5c73ee92
Reviewed-on: https://pdfium-review.googlesource.com/12350
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 0 insertions, 20 deletions

diff --git a/core/fxcrt/fx_basic.h b/core/fxcrt/fx_basic.h
index 1f05dfb627..167ef5ce70 100644
--- a/core/fxcrt/fx_basic.h
+++ b/core/fxcrt/fx_basic.h
@@ -136,26 +136,6 @@ class CFX_FixedBufGrow {
   std::unique_ptr<DataType, FxFreeDeleter> m_pGrowData;
 };
 
-class CFX_BitStream {
- public:
-  void Init(const uint8_t* pData, uint32_t dwSize);
-
-  void ByteAlign();
-  bool IsEOF() const { return m_BitPos >= m_BitSize; }
-  uint32_t GetBits(uint32_t nBits);
-  void SkipBits(uint32_t nBits) { m_BitPos += nBits; }
-  void Rewind() { m_BitPos = 0; }
-  uint32_t GetPos() const { return m_BitPos; }
-  uint32_t BitsRemaining() const {
-    return m_BitSize >= m_BitPos ? m_BitSize - m_BitPos : 0;
-  }
-
- private:
-  uint32_t m_BitPos;
-  uint32_t m_BitSize;
-  const uint8_t* m_pData;
-};
-
 class IFX_Pause {
  public:
   virtual ~IFX_Pause() {}