Kill unused IPDF_ classes.

Some are simply never defined.  Some are never instantiated.  Some have
paths that are never reached.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1168503003

2 files changed, 3 insertions, 42 deletions

diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp
index fb43c64a1a..b11c7eeb44 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp
@@ -297,39 +297,6 @@ int CPDF_Document::_GetPageCount() const
     }
     return _CountPages(pPages, 0);
 }
-static FX_BOOL _EnumPages(CPDF_Dictionary* pPages, IPDF_EnumPageHandler* pHandler)
-{
-    CPDF_Array* pKidList = pPages->GetArray(FX_BSTRC("Kids"));
-    if (pKidList == NULL) {
-        return pHandler->EnumPage(pPages);
-    }
-    for (FX_DWORD i = 0; i < pKidList->GetCount(); i ++) {
-        CPDF_Dictionary* pKid = pKidList->GetDict(i);
-        if (pKid == NULL) {
-            continue;
-        }
-        if (!pKid->KeyExist(FX_BSTRC("Kids"))) {
-            if (!pHandler->EnumPage(pKid)) {
-                return FALSE;
-            }
-        } else {
-            return _EnumPages(pKid, pHandler);
-        }
-    }
-    return TRUE;
-}
-void CPDF_Document::EnumPages(IPDF_EnumPageHandler* pHandler)
-{
-    CPDF_Dictionary* pRoot = GetRoot();
-    if (pRoot == NULL) {
-        return;
-    }
-    CPDF_Dictionary* pPages = pRoot->GetDict(FX_BSTRC("Pages"));
-    if (pPages == NULL) {
-        return;
-    }
-    _EnumPages(pPages, pHandler);
-}
 FX_BOOL CPDF_Document::IsContentUsedElsewhere(FX_DWORD objnum, CPDF_Dictionary* pThisPageDict)
 {
     for (int i = 0; i < m_PageList.GetSize(); i ++) {
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
index f8c4a41186..a9212522b8 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
@@ -915,12 +915,9 @@ void CPDF_RenderContext::GetBackground(CFX_DIBitmap* pBuffer, const CPDF_PageObj
 {
     CFX_FxgeDevice device;
     device.Attach(pBuffer);
-    if (m_pBackgroundDraw) {
-        m_pBackgroundDraw->OnDrawBackground(&device, pFinalMatrix);
-    } else {
-        FX_RECT rect(0, 0, device.GetWidth(), device.GetHeight());
-        device.FillRect(&rect, 0xffffffff);
-    }
+
+    FX_RECT rect(0, 0, device.GetWidth(), device.GetHeight());
+    device.FillRect(&rect, 0xffffffff);
     Render(&device, pObj, pOptions, pFinalMatrix);
 }
 CPDF_GraphicStates* CPDF_RenderStatus::CloneObjStates(const CPDF_GraphicStates* pSrcStates, FX_BOOL bStroke)
@@ -946,7 +943,6 @@ CPDF_RenderContext::CPDF_RenderContext()
 void CPDF_RenderContext::Create(CPDF_Document* pDoc, CPDF_PageRenderCache* pPageCache,
                                 CPDF_Dictionary* pPageResources, FX_BOOL bFirstLayer)
 {
-    m_pBackgroundDraw = NULL;
     m_pDocument = pDoc;
     m_pPageResources = pPageResources;
     m_pPageCache = pPageCache;
@@ -954,7 +950,6 @@ void CPDF_RenderContext::Create(CPDF_Document* pDoc, CPDF_PageRenderCache* pPage
 }
 void CPDF_RenderContext::Create(CPDF_Page* pPage, FX_BOOL bFirstLayer)
 {
-    m_pBackgroundDraw = NULL;
     m_pDocument = pPage->m_pDocument;
     m_pPageResources = pPage->m_pPageResources;
     m_pPageCache = pPage->GetRenderCache();
@@ -968,7 +963,6 @@ void CPDF_RenderContext::Clear()
     m_pDocument = NULL;
     m_pPageResources = NULL;
     m_pPageCache = NULL;
-    m_pBackgroundDraw = NULL;
     m_bFirstLayer = TRUE;
     m_ContentList.RemoveAll();
 }