Bug 869836 - Part 10: Use Truncate instead of `AssignLiteral("")`. r=ehsan

--HG--
extra : rebase_source : e75c900e72e5367518f2b923a839fd23acf29a42

content/base/src/nsPlainTextSerializer.cpp

@@ -1603,7 +1603,7 @@ nsPlainTextSerializer::Write(const nsAString& aStr)
         }
       }
 
-      mCurrentLine.AssignLiteral("");
+      mCurrentLine.Truncate();
       if (mFlags & nsIDocumentEncoder::OutputFormatFlowed) {
         if ((outputLineBreak || !spacesOnly) && // bugs 261467,125928
             !stringpart.EqualsLiteral("-- ") &&

dom/bluetooth/bluez/BluetoothHfpManager.cpp

@@ -1529,7 +1529,7 @@ BluetoothHfpManager::HandleCallStateChanged(uint32_t aCallIndex,
 
         nsAutoString number(aNumber);
         if (!mCLIP) {
-          number.AssignLiteral("");
+          number.Truncate();
         }
 
         MessageLoop::current()->PostDelayedTask(

dom/bluetooth2/bluez/BluetoothHfpManager.cpp

@@ -1529,7 +1529,7 @@ BluetoothHfpManager::HandleCallStateChanged(uint32_t aCallIndex,
 
         nsAutoString number(aNumber);
         if (!mCLIP) {
-          number.AssignLiteral("");
+          number.Truncate();
         }
 
         MessageLoop::current()->PostDelayedTask(

dom/events/PointerEvent.cpp

@@ -104,7 +104,7 @@ PointerEvent::GetPointerType(nsAString& aPointerType)
       aPointerType.AssignLiteral("touch");
       break;
     case nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN:
-      aPointerType.AssignLiteral("");
+      aPointerType.Truncate();
       break;
   }
 }

extensions/spellcheck/hunspell/src/mozHunspell.cpp

@@ -155,9 +155,9 @@ NS_IMETHODIMP mozHunspell::SetDictionary(const char16_t *aDictionary)
   if (nsDependentString(aDictionary).IsEmpty()) {
     delete mHunspell;
     mHunspell = nullptr;
-    mDictionary.AssignLiteral("");
-    mAffixFileName.AssignLiteral("");
-    mLanguage.AssignLiteral("");
+    mDictionary.Truncate();
+    mAffixFileName.Truncate();
+    mLanguage.Truncate();
     mDecoder = nullptr;
     mEncoder = nullptr;
 

extensions/spellcheck/src/mozSpellChecker.cpp

@@ -319,7 +319,7 @@ NS_IMETHODIMP
 mozSpellChecker::GetCurrentDictionary(nsAString &aDictionary)
 {
   if (!mSpellCheckingEngine) {
-    aDictionary.AssignLiteral("");
+    aDictionary.Truncate();
     return NS_OK;
   }
 

netwerk/cache2/CacheFileIOManager.cpp

@@ -3298,7 +3298,7 @@ CacheFileIOManager::CreateFile(CacheFileHandle *aHandle)
 void
 CacheFileIOManager::HashToStr(const SHA1Sum::Hash *aHash, nsACString &_retval)
 {
-  _retval.AssignLiteral("");
+  _retval.Truncate();
   const char hexChars[] = {'0', '1', '2', '3', '4', '5', '6', '7',
                            '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
   for (uint32_t i=0 ; i<sizeof(SHA1Sum::Hash) ; i++) {

widget/android/GfxInfo.cpp

@@ -223,7 +223,7 @@ NS_IMETHODIMP
 GfxInfo::GetAdapterRAM(nsAString & aAdapterRAM)
 {
   EnsureInitialized();
-  aAdapterRAM.AssignLiteral("");
+  aAdapterRAM.Truncate();
   return NS_OK;
 }
 
@@ -240,7 +240,7 @@ NS_IMETHODIMP
 GfxInfo::GetAdapterDriver(nsAString & aAdapterDriver)
 {
   EnsureInitialized();
-  aAdapterDriver.AssignLiteral("");
+  aAdapterDriver.Truncate();
   return NS_OK;
 }
 
@@ -274,7 +274,7 @@ NS_IMETHODIMP
 GfxInfo::GetAdapterDriverDate(nsAString & aAdapterDriverDate)
 {
   EnsureInitialized();
-  aAdapterDriverDate.AssignLiteral("");
+  aAdapterDriverDate.Truncate();
   return NS_OK;
 }
 

widget/gonk/GfxInfo.cpp

@@ -39,7 +39,7 @@ GfxInfo::GetCleartypeParameters(nsAString & aCleartypeParams)
 NS_IMETHODIMP
 GfxInfo::GetAdapterDescription(nsAString & aAdapterDescription)
 {
-  aAdapterDescription.AssignLiteral("");
+  aAdapterDescription.Truncate();
   return NS_OK;
 }
 
@@ -54,7 +54,7 @@ GfxInfo::GetAdapterDescription2(nsAString & aAdapterDescription)
 NS_IMETHODIMP
 GfxInfo::GetAdapterRAM(nsAString & aAdapterRAM)
 {
-  aAdapterRAM.AssignLiteral("");
+  aAdapterRAM.Truncate();
   return NS_OK;
 }
 
@@ -69,7 +69,7 @@ GfxInfo::GetAdapterRAM2(nsAString & aAdapterRAM)
 NS_IMETHODIMP
 GfxInfo::GetAdapterDriver(nsAString & aAdapterDriver)
 {
-  aAdapterDriver.AssignLiteral("");
+  aAdapterDriver.Truncate();
   return NS_OK;
 }
 
@@ -84,7 +84,7 @@ GfxInfo::GetAdapterDriver2(nsAString & aAdapterDriver)
 NS_IMETHODIMP
 GfxInfo::GetAdapterDriverVersion(nsAString & aAdapterDriverVersion)
 {
-  aAdapterDriverVersion.AssignLiteral("");
+  aAdapterDriverVersion.Truncate();
   return NS_OK;
 }
 
@@ -99,7 +99,7 @@ GfxInfo::GetAdapterDriverVersion2(nsAString & aAdapterDriverVersion)
 NS_IMETHODIMP
 GfxInfo::GetAdapterDriverDate(nsAString & aAdapterDriverDate)
 {
-  aAdapterDriverDate.AssignLiteral("");
+  aAdapterDriverDate.Truncate();
   return NS_OK;
 }
 
@@ -114,7 +114,7 @@ GfxInfo::GetAdapterDriverDate2(nsAString & aAdapterDriverDate)
 NS_IMETHODIMP
 GfxInfo::GetAdapterVendorID(nsAString & aAdapterVendorID)
 {
-  aAdapterVendorID.AssignLiteral("");
+  aAdapterVendorID.Truncate();
   return NS_OK;
 }
 
@@ -129,7 +129,7 @@ GfxInfo::GetAdapterVendorID2(nsAString & aAdapterVendorID)
 NS_IMETHODIMP
 GfxInfo::GetAdapterDeviceID(nsAString & aAdapterDeviceID)
 {
-  aAdapterDeviceID.AssignLiteral("");
+  aAdapterDeviceID.Truncate();
   return NS_OK;
 }
 

widget/windows/GfxInfo.cpp

@@ -592,7 +592,7 @@ NS_IMETHODIMP
 GfxInfo::GetAdapterRAM2(nsAString & aAdapterRAM)
 {
   if (!mHasDualGPU) {
-    aAdapterRAM.AssignLiteral("");
+    aAdapterRAM.Truncate();
   } else if (NS_FAILED(GetKeyValue(mDeviceKey2.get(), L"HardwareInformation.MemorySize", aAdapterRAM, REG_DWORD))) {
     aAdapterRAM = L"Unknown";
   }
@@ -613,7 +613,7 @@ NS_IMETHODIMP
 GfxInfo::GetAdapterDriver2(nsAString & aAdapterDriver)
 {
   if (!mHasDualGPU) {
-    aAdapterDriver.AssignLiteral("");
+    aAdapterDriver.Truncate();
   } else if (NS_FAILED(GetKeyValue(mDeviceKey2.get(), L"InstalledDisplayDrivers", aAdapterDriver, REG_MULTI_SZ))) {
     aAdapterDriver = L"Unknown";
   }

widget/xpwidgets/GfxInfoX11.cpp

@@ -423,7 +423,7 @@ GfxInfo::GetAdapterDescription2(nsAString & aAdapterDescription)
 NS_IMETHODIMP
 GfxInfo::GetAdapterRAM(nsAString & aAdapterRAM)
 {
-  aAdapterRAM.AssignLiteral("");
+  aAdapterRAM.Truncate();
   return NS_OK;
 }
 
@@ -438,7 +438,7 @@ GfxInfo::GetAdapterRAM2(nsAString & aAdapterRAM)
 NS_IMETHODIMP
 GfxInfo::GetAdapterDriver(nsAString & aAdapterDriver)
 {
-  aAdapterDriver.AssignLiteral("");
+  aAdapterDriver.Truncate();
   return NS_OK;
 }
 
@@ -469,7 +469,7 @@ GfxInfo::GetAdapterDriverVersion2(nsAString & aAdapterDriverVersion)
 NS_IMETHODIMP
 GfxInfo::GetAdapterDriverDate(nsAString & aAdapterDriverDate)
 {
-  aAdapterDriverDate.AssignLiteral("");
+  aAdapterDriverDate.Truncate();
   return NS_OK;
 }