Fix a few more warnings in chromium_code mode.

core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../../include/fpdfapi/fpdf_render.h"
 #include "../../../include/fpdfapi/fpdf_pageobj.h"
 #include "../../../include/fxge/fx_ge.h"
 #include "../fpdf_page/pageint.h"
@@ skipping 53 matching lines @@
                 if (pFuncs[j]->Call(&input, 1, pResults + offset, nresults)) {
                     offset += nresults;
                 }
             }
         }
         FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
         pCS->GetRGB(pResults, R, G, B);
         rgb_array[i] = FXARGB_TODIB(FXARGB_MAKE(alpha, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255)));
     }
     int pitch = pBitmap->GetPitch();
-    int Bpp = pBitmap->GetBPP() / 8;
     for (int row = 0; row < height; row ++) {
         FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
         for (int column = 0; column < width; column ++) {
             FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row;
             matrix.Transform(x, y);
             FX_FLOAT scale = FXSYS_Div(FXSYS_Mul(x - start_x, x_span) + FXSYS_Mul(y - start_y, y_span), axis_len_square);
             int index = (FX_INT32)(scale * (SHADING_STEPS - 1));
             if (index < 0) {
                 if (!bStartExtend) {
                     continue;
@@ skipping 64 matching lines @@
         }
         FX_FLOAT R, G, B;
         pCS->GetRGB(pResults, R, G, B);
         rgb_array[i] = FXARGB_TODIB(FXARGB_MAKE(alpha, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255)));
     }
     FX_FLOAT a = FXSYS_Mul(start_x - end_x, start_x - end_x) +
                  FXSYS_Mul(start_y - end_y, start_y - end_y) - FXSYS_Mul(start_r - end_r, start_r - end_r);
     int width = pBitmap->GetWidth();
     int height = pBitmap->GetHeight();
     int pitch = pBitmap->GetPitch();
-    int Bpp = pBitmap->GetBPP() / 8;
     FX_BOOL bDecreasing = FALSE;
     if (start_r > end_r) {
         int length = (int)FXSYS_sqrt((FXSYS_Mul(start_x - end_x, start_x - end_x) + FXSYS_Mul(start_y - end_y, start_y - end_y)));
         if (length < start_r - end_r) {
             bDecreasing = TRUE;
         }
     }
     for (int row = 0; row < height; row ++) {
         FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
         for (int column = 0; column < width; column ++) {
@@ skipping 68 matching lines @@
         ymax = pDomain->GetNumber(3);
     }
     CFX_AffineMatrix mtDomain2Target = pDict->GetMatrix(FX_BSTRC("Matrix"));
     CFX_AffineMatrix matrix, reverse_matrix;
     matrix.SetReverse(*pObject2Bitmap);
     reverse_matrix.SetReverse(mtDomain2Target);
     matrix.Concat(reverse_matrix);
     int width = pBitmap->GetWidth();
     int height = pBitmap->GetHeight();
     int pitch = pBitmap->GetPitch();
-    int Bpp = pBitmap->GetBPP() / 8;
     int total_results = 0;
     for (int j = 0; j < nFuncs; j ++) {
         if (pFuncs[j]) {
             total_results += pFuncs[j]->CountOutputs();
         }
     }
     if (pCS->CountComponents() > total_results) {
         total_results = pCS->CountComponents();
     }
     CFX_FixedBufGrow<FX_FLOAT, 16> result_array(total_results);
@@ skipping 477 matching lines @@
         D1.FromPoints(coords[0].x, coords[0].y, coords[1].x, coords[1].y, coords[2].x, coords[2].y,
                       coords[3].x, coords[3].y);
         D2.FromPoints(coords[9].x, coords[9].y, coords[8].x, coords[8].y, coords[7].x, coords[7].y,
                       coords[6].x, coords[6].y);
         patch.Draw(1, 1, 0, 0, C1, C2, D1, D2);
     }
 }
 void CPDF_RenderStatus::DrawShading(CPDF_ShadingPattern* pPattern, CFX_AffineMatrix* pMatrix,
                                     FX_RECT& clip_rect, int alpha, FX_BOOL bAlphaMode)
 {
-    int width = clip_rect.Width();
-    int height = clip_rect.Height();
     CPDF_Function** pFuncs = pPattern->m_pFunctions;
     int nFuncs = pPattern->m_nFuncs;
     CPDF_Dictionary* pDict = pPattern->m_pShadingObj->GetDict();
     CPDF_ColorSpace* pColorSpace = pPattern->m_pCS;
     if (pColorSpace == NULL) {
         return;
     }
     FX_ARGB background = 0;
     if (!pPattern->m_bShadingObj && pPattern->m_pShadingObj->GetDict()->KeyExist(FX_BSTRC("Background"))) {
         CPDF_Array* pBackColor = pPattern->m_pShadingObj->GetDict()->GetArray(FX_BSTRC("Background"));
@@ skipping 333 matching lines @@
             bStroke = FALSE;
             bPattern = TRUE;
         }
     }
 #ifdef _FPDFAPI_MINI_
     if (bPattern && m_DitherBits) {
         DitherObjectArea(pPathObj, pObj2Device);
     }
 #endif
 }