Fix all the code which has duplicate variable declarations

When there are duplicate variable declarations, the inner names shadow the
outter ones. This is error prone and harder to read. Remove all the
instances found by /analyze.

BUG=chromium:613623, chromium:427616

Review-Url: https://codereview.chromium.org/2027273002

1 files changed, 21 insertions, 36 deletions

diff --git a/xfa/fxfa/app/xfa_textlayout.cpp b/xfa/fxfa/app/xfa_textlayout.cpp
index fe72e29c05..fa300f1721 100644
--- a/xfa/fxfa/app/xfa_textlayout.cpp
+++ b/xfa/fxfa/app/xfa_textlayout.cpp
@@ -1042,12 +1042,11 @@ FX_BOOL CXFA_TextLayout::Layout(const CFX_SizeF& size, FX_FLOAT* fHeight) {
 }
 
 FX_BOOL CXFA_TextLayout::Layout(int32_t iBlock) {
-  if (m_pLoader == NULL || iBlock < 0 || iBlock >= CountBlocks()) {
+  if (m_pLoader == NULL || iBlock < 0 || iBlock >= CountBlocks())
     return FALSE;
-  }
-  if (m_pLoader->m_fWidth < 1) {
+  if (m_pLoader->m_fWidth < 1)
     return FALSE;
-  }
+
   m_pLoader->m_iTotalLines = -1;
   m_iLines = 0;
   FX_FLOAT fLinePos = 0;
@@ -1056,9 +1055,8 @@ FX_BOOL CXFA_TextLayout::Layout(int32_t iBlock) {
   int32_t iCount = m_Blocks.GetSize();
   int32_t iBlocksHeightCount = m_pLoader->m_BlocksHeight.GetSize();
   iBlocksHeightCount /= 2;
-  if (iBlock < iBlocksHeightCount) {
+  if (iBlock < iBlocksHeightCount)
     return TRUE;
-  }
   if (iBlock == iBlocksHeightCount) {
     Unload();
     m_pBreak.reset(CreateBreak(TRUE));
@@ -1067,18 +1065,15 @@ FX_BOOL CXFA_TextLayout::Layout(int32_t iBlock) {
       fLinePos -= m_pLoader->m_BlocksHeight.ElementAt(i * 2 + 1);
     }
     m_pLoader->m_iChar = 0;
-    if (iCount > 1) {
+    if (iCount > 1)
       m_pLoader->m_iTotalLines = m_Blocks.ElementAt(iBlock * 2 + 1);
-    }
     Loader(szText, fLinePos, TRUE);
-    if (iCount == 0 && m_pLoader->m_fStartLineOffset < 0.1f) {
+    if (iCount == 0 && m_pLoader->m_fStartLineOffset < 0.1f)
       UpdateAlign(szText.y, fLinePos);
-    }
   } else if (m_pTextDataNode) {
     iBlock *= 2;
-    if (iBlock < iCount - 2) {
+    if (iBlock < iCount - 2)
       m_pLoader->m_iTotalLines = m_Blocks.ElementAt(iBlock + 1);
-    }
     m_pBreak->Reset();
     if (m_bRichText) {
       CFDE_XMLNode* pContainerNode = GetXMLContainerNode();
@@ -1086,48 +1081,40 @@ FX_BOOL CXFA_TextLayout::Layout(int32_t iBlock) {
         return TRUE;
       }
       CFDE_XMLNode* pXMLNode = m_pLoader->m_pXMLNode;
-      if (pXMLNode == NULL) {
+      if (!pXMLNode)
         return TRUE;
-      }
       CFDE_XMLNode* pSaveXMLNode = m_pLoader->m_pXMLNode;
       for (; pXMLNode;
            pXMLNode = pXMLNode->GetNodeItem(CFDE_XMLNode::NextSibling)) {
-        FX_BOOL bFlag = LoadRichText(pXMLNode, szText, fLinePos,
-                                     m_pLoader->m_pParentStyle, TRUE);
-        if (!bFlag) {
+        if (!LoadRichText(pXMLNode, szText, fLinePos, m_pLoader->m_pParentStyle,
+                          TRUE)) {
           break;
         }
       }
-      while (pXMLNode == NULL) {
+      while (!pXMLNode) {
         pXMLNode = pSaveXMLNode->GetNodeItem(CFDE_XMLNode::Parent);
-        if (pXMLNode == pContainerNode) {
+        if (pXMLNode == pContainerNode)
           break;
-        }
-        FX_BOOL bFlag =
-            LoadRichText(pXMLNode, szText, fLinePos, m_pLoader->m_pParentStyle,
-                         TRUE, NULL, FALSE);
-        if (!bFlag) {
+        if (!LoadRichText(pXMLNode, szText, fLinePos, m_pLoader->m_pParentStyle,
+                          TRUE, NULL, FALSE)) {
           break;
         }
         pSaveXMLNode = pXMLNode;
         pXMLNode = pXMLNode->GetNodeItem(CFDE_XMLNode::NextSibling);
-        if (!pXMLNode) {
+        if (!pXMLNode)
           continue;
-        }
         for (; pXMLNode;
              pXMLNode = pXMLNode->GetNodeItem(CFDE_XMLNode::NextSibling)) {
-          FX_BOOL bFlag = LoadRichText(pXMLNode, szText, fLinePos,
-                                       m_pLoader->m_pParentStyle, TRUE);
-          if (!bFlag) {
+          if (!LoadRichText(pXMLNode, szText, fLinePos,
+                            m_pLoader->m_pParentStyle, TRUE)) {
             break;
           }
         }
       }
     } else {
       pNode = m_pLoader->m_pNode;
-      if (pNode == NULL) {
+      if (!pNode)
         return TRUE;
-      }
       LoadText(pNode, szText, fLinePos, TRUE);
     }
   }
@@ -1839,7 +1826,6 @@ void CXFA_TextLayout::RenderPath(CFDE_RenderDevice* pDevice,
   if (iChars > 0) {
     CFX_PointF pt1, pt2;
     FX_FLOAT fEndY = pCharPos[0].m_OriginY + 1.05f;
-    int32_t i = 0;
     if (pPiece->iPeriod == XFA_ATTRIBUTEENUM_Word) {
       for (int32_t i = 0; i < pPiece->iUnderline; i++) {
         for (int32_t j = 0; j < iChars; j++) {
@@ -1866,7 +1852,7 @@ void CXFA_TextLayout::RenderPath(CFDE_RenderDevice* pDevice,
     pt1.x = pCharPos[0].m_OriginX;
     pt2.x = pCharPos[iChars - 1].m_OriginX +
             pCharPos[iChars - 1].m_FontCharWidth * pPiece->fFontSize / 1000.0f;
-    for (i = 0; i < pPiece->iLineThrough; i++) {
+    for (int32_t i = 0; i < pPiece->iLineThrough; i++) {
       pt1.y = pt2.y = fEndY;
       pPath->AddLine(pt1, pt2);
       fEndY += 2.0f;
@@ -1917,14 +1903,13 @@ void CXFA_TextLayout::RenderPath(CFDE_RenderDevice* pDevice,
     CFX_PointF pt1, pt2;
     pt1.x = fOrgX, pt2.x = fEndX;
     FX_FLOAT fEndY = pCharPos[0].m_OriginY + 1.05f;
-    int32_t i = 0;
-    for (i = 0; i < pPiece->iUnderline; i++) {
+    for (int32_t i = 0; i < pPiece->iUnderline; i++) {
       pt1.y = pt2.y = fEndY;
       pPath->AddLine(pt1, pt2);
       fEndY += 2.0f;
     }
     fEndY = pCharPos[0].m_OriginY - pPiece->rtPiece.height * 0.25f;
-    for (i = 0; i < pPiece->iLineThrough; i++) {
+    for (int32_t i = 0; i < pPiece->iLineThrough; i++) {
       pt1.y = pt2.y = fEndY;
       pPath->AddLine(pt1, pt2);
       fEndY += 2.0f;