Rename CFX_WeakPtr::Clear() to DestroyObject()

|Clear| is too easily mistaken for "clear this pointer only."

Review-Url: https://codereview.chromium.org/2385303002
diff --git a/core/fpdfapi/fpdf_parser/cfdf_document.cpp b/core/fpdfapi/fpdf_parser/cfdf_document.cpp
index 860912a..3721bf8 100644
--- a/core/fpdfapi/fpdf_parser/cfdf_document.cpp
+++ b/core/fpdfapi/fpdf_parser/cfdf_document.cpp
@@ -20,7 +20,7 @@
 CFDF_Document::~CFDF_Document() {
   if (m_bOwnFile && m_pFile)
     m_pFile->Release();
-  m_pByteStringPool.Clear();  // Make weak.
+  m_pByteStringPool.DeleteObject();  // Make weak.
 }
 
 CFDF_Document* CFDF_Document::CreateNewDoc() {
diff --git a/core/fpdfapi/fpdf_parser/cpdf_document.cpp b/core/fpdfapi/fpdf_parser/cpdf_document.cpp
index f90fa3d..f8b4f9b 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_document.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_document.cpp
@@ -423,7 +423,7 @@
 CPDF_Document::~CPDF_Document() {
   delete m_pDocPage;
   CPDF_ModuleMgr::Get()->GetPageModule()->ClearStockFont(this);
-  m_pByteStringPool.Clear();  // Make weak.
+  m_pByteStringPool.DeleteObject();  // Make weak.
 }
 
 CPDF_Object* CPDF_Document::ParseIndirectObject(uint32_t objnum) {
diff --git a/core/fxcrt/cfx_weak_ptr.h b/core/fxcrt/cfx_weak_ptr.h
index 61f15e3..9ac1475 100644
--- a/core/fxcrt/cfx_weak_ptr.h
+++ b/core/fxcrt/cfx_weak_ptr.h
@@ -35,7 +35,7 @@
   bool operator!=(const CFX_WeakPtr& that) const { return !(*this == that); }
 
   T* Get() const { return m_pHandle ? m_pHandle->Get() : nullptr; }
-  void Clear() {
+  void DeleteObject() {
     if (m_pHandle) {
       m_pHandle->Clear();
       m_pHandle.Reset();
diff --git a/core/fxcrt/cfx_weak_ptr_unittest.cpp b/core/fxcrt/cfx_weak_ptr_unittest.cpp
index 11dd8bb..47f63c3 100644
--- a/core/fxcrt/cfx_weak_ptr_unittest.cpp
+++ b/core/fxcrt/cfx_weak_ptr_unittest.cpp
@@ -121,13 +121,13 @@
   EXPECT_EQ(1, thing2.delete_count());
 }
 
-TEST(fxcrt, WeakPtrClear) {
+TEST(fxcrt, WeakPtrDeleteObject) {
   PseudoDeletable thing;
   {
     UniquePtr unique(&thing);
     WeakPtr ptr1(std::move(unique));
     WeakPtr ptr2 = ptr1;
-    ptr1.Clear();
+    ptr1.DeleteObject();
     EXPECT_FALSE(ptr1);
     EXPECT_EQ(nullptr, ptr1.Get());
     EXPECT_FALSE(ptr2);
@@ -155,7 +155,7 @@
   EXPECT_EQ(0, thing2.delete_count());
 }
 
-TEST(fxcrt, WeakPtrCyclicClear) {
+TEST(fxcrt, WeakPtrCyclicDeleteObject) {
   PseudoDeletable thing1;
   PseudoDeletable thing2;
   {
@@ -165,7 +165,7 @@
     WeakPtr ptr2(std::move(unique2));
     ptr1->SetNext(ptr2);
     ptr2->SetNext(ptr1);
-    ptr1.Clear();
+    ptr1.DeleteObject();
     EXPECT_EQ(1, thing1.delete_count());
     EXPECT_EQ(0, thing2.delete_count());
   }