Remove a few more |new|s.

Change-Id: I8a50ed680c1e101f855644fca8d282dd21470577
Reviewed-on: https://pdfium-review.googlesource.com/4533
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>

5 files changed, 30 insertions, 32 deletions

diff --git a/core/fpdfapi/page/cpdf_form.cpp b/core/fpdfapi/page/cpdf_form.cpp
index b3f2b372e3..2245f934f6 100644
--- a/core/fpdfapi/page/cpdf_form.cpp
+++ b/core/fpdfapi/page/cpdf_form.cpp
@@ -17,10 +17,10 @@
 CPDF_Form::CPDF_Form(CPDF_Document* pDoc,
                      CPDF_Dictionary* pPageResources,
                      CPDF_Stream* pFormStream,
-                     CPDF_Dictionary* pParentResources) {
-  m_pDocument = pDoc;
+                     CPDF_Dictionary* pParentResources)
+    : CPDF_PageObjectHolder(pDoc,
+                            pFormStream ? pFormStream->GetDict() : nullptr) {
   m_pFormStream = pFormStream;
-  m_pFormDict = pFormStream ? pFormStream->GetDict() : nullptr;
   m_pResources = m_pFormDict->GetDictFor("Resources");
   m_pPageResources = pPageResources;
   if (!m_pResources)
diff --git a/core/fpdfapi/page/cpdf_page.cpp b/core/fpdfapi/page/cpdf_page.cpp
index 314b8acbaa..496ed7cc58 100644
--- a/core/fpdfapi/page/cpdf_page.cpp
+++ b/core/fpdfapi/page/cpdf_page.cpp
@@ -23,12 +23,12 @@
 CPDF_Page::CPDF_Page(CPDF_Document* pDocument,
                      CPDF_Dictionary* pPageDict,
                      bool bPageCache)
-    : m_PageWidth(100),
+    : CPDF_PageObjectHolder(pDocument, pPageDict),
+      m_PageWidth(100),
       m_PageHeight(100),
-      m_pView(nullptr),
-      m_pPageRender(bPageCache ? new CPDF_PageRenderCache(this) : nullptr) {
-  m_pFormDict = pPageDict;
-  m_pDocument = pDocument;
+      m_pView(nullptr) {
+  if (bPageCache)
+    m_pPageRender = pdfium::MakeUnique<CPDF_PageRenderCache>(this);
   if (!pPageDict)
     return;
 
diff --git a/core/fpdfapi/page/cpdf_pageobjectholder.cpp b/core/fpdfapi/page/cpdf_pageobjectholder.cpp
index 5f5597e5ac..1d2b51e959 100644
--- a/core/fpdfapi/page/cpdf_pageobjectholder.cpp
+++ b/core/fpdfapi/page/cpdf_pageobjectholder.cpp
@@ -13,10 +13,11 @@
 #include "core/fpdfapi/page/pageint.h"
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
 
-CPDF_PageObjectHolder::CPDF_PageObjectHolder()
-    : m_pFormDict(nullptr),
+CPDF_PageObjectHolder::CPDF_PageObjectHolder(CPDF_Document* pDoc,
+                                             CPDF_Dictionary* pFormDict)
+    : m_pFormDict(pFormDict),
       m_pFormStream(nullptr),
-      m_pDocument(nullptr),
+      m_pDocument(pDoc),
       m_pPageResources(nullptr),
       m_pResources(nullptr),
       m_Transparency(0),
@@ -26,14 +27,15 @@ CPDF_PageObjectHolder::CPDF_PageObjectHolder()
 CPDF_PageObjectHolder::~CPDF_PageObjectHolder() {}
 
 void CPDF_PageObjectHolder::ContinueParse(IFX_Pause* pPause) {
-  if (!m_pParser) {
+  if (!m_pParser)
     return;
-  }
+
   m_pParser->Continue(pPause);
-  if (m_pParser->GetStatus() == CPDF_ContentParser::Done) {
-    m_ParseState = CONTENT_PARSED;
-    m_pParser.reset();
-  }
+  if (m_pParser->GetStatus() != CPDF_ContentParser::Done)
+    return;
+
+  m_ParseState = CONTENT_PARSED;
+  m_pParser.reset();
 }
 
 void CPDF_PageObjectHolder::AddImageMaskBoundingBox(const CFX_FloatRect& box) {
diff --git a/core/fpdfapi/page/cpdf_pageobjectholder.h b/core/fpdfapi/page/cpdf_pageobjectholder.h
index 0b88a86518..f5b60fff9d 100644
--- a/core/fpdfapi/page/cpdf_pageobjectholder.h
+++ b/core/fpdfapi/page/cpdf_pageobjectholder.h
@@ -26,7 +26,7 @@ class CPDF_ContentParser;
 
 class CPDF_PageObjectHolder {
  public:
-  CPDF_PageObjectHolder();
+  CPDF_PageObjectHolder(CPDF_Document* pDoc, CPDF_Dictionary* pFormDict);
   virtual ~CPDF_PageObjectHolder();
 
   void ContinueParse(IFX_Pause* pPause);
diff --git a/core/fpdfapi/page/cpdf_streamcontentparser.cpp b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
index d9f12f121b..3e6e75a53e 100644
--- a/core/fpdfapi/page/cpdf_streamcontentparser.cpp
+++ b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
@@ -1319,31 +1319,27 @@ void CPDF_StreamContentParser::Handle_ShowText_Positioning() {
     }
     return;
   }
-  CFX_ByteString* pStrs = new CFX_ByteString[nsegs];
-  float* pKerning = FX_Alloc(float, nsegs);
+  std::vector<CFX_ByteString> strs(nsegs);
+  std::vector<float> kernings(nsegs);
   size_t iSegment = 0;
   float fInitKerning = 0;
   for (size_t i = 0; i < n; i++) {
     CPDF_Object* pObj = pArray->GetDirectObjectAt(i);
     if (pObj->IsString()) {
       CFX_ByteString str = pObj->GetString();
-      if (str.IsEmpty()) {
+      if (str.IsEmpty())
         continue;
-      }
-      pStrs[iSegment] = str;
-      pKerning[iSegment++] = 0;
+      strs[iSegment] = str;
+      kernings[iSegment++] = 0;
     } else {
-      float num = pObj ? pObj->GetNumber() : 0;
-      if (iSegment == 0) {
+      float num = pObj->GetNumber();
+      if (iSegment == 0)
         fInitKerning += num;
-      } else {
-        pKerning[iSegment - 1] += num;
-      }
+      else
+        kernings[iSegment - 1] += num;
     }
   }
-  AddTextObject(pStrs, fInitKerning, pKerning, iSegment);
-  delete[] pStrs;
-  FX_Free(pKerning);
+  AddTextObject(strs.data(), fInitKerning, kernings.data(), iSegment);
 }
 
 void CPDF_StreamContentParser::Handle_SetTextLeading() {