Fix GCC build with V8 disabled.

- Remove set, but otherwise unused variables.
- Mark some pdfium_test code as V8-enabled only.
- Do not build one unit test with GCC.

Change-Id: I3f04273a7731086e08386478a62769bf06f6d8a4
Reviewed-on: https://pdfium-review.googlesource.com/41271
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

1 files changed, 3 insertions, 6 deletions

diff --git a/core/fpdfapi/render/cpdf_scaledrenderbuffer.cpp b/core/fpdfapi/render/cpdf_scaledrenderbuffer.cpp
index 6f6aa7c404..1f43abec6e 100644
--- a/core/fpdfapi/render/cpdf_scaledrenderbuffer.cpp
+++ b/core/fpdfapi/render/cpdf_scaledrenderbuffer.cpp
@@ -49,12 +49,9 @@ bool CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext,
       m_Matrix.Scale(1.0f, (float)(max_dpi) / (float)dpiv);
   }
   m_pBitmapDevice = pdfium::MakeUnique<CFX_DefaultRenderDevice>();
-  FXDIB_Format dibFormat = FXDIB_Rgb;
-  int32_t bpp = 24;
-  if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_ALPHA_OUTPUT) {
-    dibFormat = FXDIB_Argb;
-    bpp = 32;
-  }
+  bool bIsAlpha =
+      !!(m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_ALPHA_OUTPUT);
+  FXDIB_Format dibFormat = bIsAlpha ? FXDIB_Argb : FXDIB_Rgb;
   while (1) {
     FX_RECT bitmap_rect =
         m_Matrix.TransformRect(CFX_FloatRect(pRect)).GetOuterRect();