From 21bf242a31eff79f754c5e9c3b41c52e33483bb0 Mon Sep 17 00:00:00 2001
From: Lei Zhang <thestig@chromium.org>
Date: Thu, 16 Jul 2015 18:28:49 -0700
Subject: Cleanup: Do not check pointers before deleting them, part 2.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1195363002 .
---
 core/src/fpdfapi/fpdf_render/fpdf_render.cpp       | 20 ++++------------
 core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp | 28 ++++++----------------
 2 files changed, 12 insertions(+), 36 deletions(-)

(limited to 'core/src/fpdfapi/fpdf_render')

diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
index c4a9d7761b..a894e846ee 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
@@ -202,9 +202,7 @@ CPDF_RenderStatus::CPDF_RenderStatus()
 
 CPDF_RenderStatus::~CPDF_RenderStatus()
 {
-    if (m_pObjectRenderer) {
-        delete m_pObjectRenderer;
-    }
+    delete m_pObjectRenderer;
 }
 
 FX_BOOL CPDF_RenderStatus::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice,
@@ -665,9 +663,7 @@ void CPDF_RenderStatus::ProcessClipPath(CPDF_ClipPath ClipPath, const CFX_Affine
             ProcessText(pText, pObj2Device, pTextClippingPath);
         }
     }
-    if (pTextClippingPath) {
-        delete pTextClippingPath;
-    }
+    delete pTextClippingPath;
 }
 void CPDF_RenderStatus::DrawClipPath(CPDF_ClipPath ClipPath, const CFX_AffineMatrix* pObj2Device)
 {
@@ -859,9 +855,7 @@ FX_BOOL CPDF_RenderStatus::ProcessTransparency(const CPDF_PageObject* pPageObj,
         Transparency |= PDFTRANS_GROUP;
     }
     CompositeDIBitmap(bitmap, rect.left, rect.top, 0, 255, blend_type, Transparency);
-    if (oriDevice) {
-        delete oriDevice;
-    }
+    delete oriDevice;
     return TRUE;
 }
 CFX_DIBitmap* CPDF_RenderStatus::GetBackdrop(const CPDF_PageObject* pObj, const FX_RECT& rect, int& left, int& top,
@@ -1271,9 +1265,7 @@ CPDF_DeviceBuffer::CPDF_DeviceBuffer()
 }
 CPDF_DeviceBuffer::~CPDF_DeviceBuffer()
 {
-    if (m_pBitmap) {
-        delete m_pBitmap;
-    }
+    delete m_pBitmap;
 }
 FX_BOOL CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, FX_RECT* pRect,
                                       const CPDF_PageObject* pObj, int max_dpi)
@@ -1330,9 +1322,7 @@ CPDF_ScaledRenderBuffer::CPDF_ScaledRenderBuffer()
 }
 CPDF_ScaledRenderBuffer::~CPDF_ScaledRenderBuffer()
 {
-    if (m_pBitmapDevice) {
-        delete m_pBitmapDevice;
-    }
+    delete m_pBitmapDevice;
 }
 #define _FPDFAPI_IMAGESIZE_LIMIT_	(30 * 1024 * 1024)
 FX_BOOL CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, FX_RECT* pRect,
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp
index f3f0375f53..0730206e23 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp
@@ -297,21 +297,13 @@ CPDF_ImageRenderer::CPDF_ImageRenderer()
 }
 CPDF_ImageRenderer::~CPDF_ImageRenderer()
 {
-    if (m_pQuickStretcher) {
-        delete m_pQuickStretcher;
-    }
-    if (m_pTransformer) {
-        delete m_pTransformer;
-    }
+    delete m_pQuickStretcher;
+    delete m_pTransformer;
     if (m_DeviceHandle) {
         m_pRenderStatus->m_pDevice->CancelDIBits(m_DeviceHandle);
     }
-    if (m_LoadHandle) {
-        delete (CPDF_ProgressiveImageLoaderHandle*)m_LoadHandle;
-    }
-    if (m_pClone) {
-        delete m_pClone;
-    }
+    delete (CPDF_ProgressiveImageLoaderHandle*)m_LoadHandle;
+    delete m_pClone;
 }
 FX_BOOL CPDF_ImageRenderer::StartLoadDIBSource()
 {
@@ -813,15 +805,11 @@ CPDF_QuickStretcher::CPDF_QuickStretcher()
 }
 CPDF_QuickStretcher::~CPDF_QuickStretcher()
 {
-    if (m_pBitmap) {
-        delete m_pBitmap;
-    }
+    delete m_pBitmap;
     if (m_pCS) {
         m_pCS->ReleaseCS();
     }
-    if (m_pDecoder) {
-        delete m_pDecoder;
-    }
+    delete m_pDecoder;
 }
 ICodec_ScanlineDecoder* FPDFAPI_CreateFlateDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height,
         int nComps, int bpc, const CPDF_Dictionary* pParams);
@@ -1085,9 +1073,7 @@ CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict,
     } else {
         FXSYS_memcpy(dest_buf, src_buf, dest_pitch * height);
     }
-    if (pFunc) {
-        delete pFunc;
-    }
+    delete pFunc;
     FX_Free(pTransfer);
     return pMask;
 }
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