Remove unused endContext().

src/core/SkBitmapProcState.cpp

Index: src/core/SkBitmapProcState.cpp
diff --git a/src/core/SkBitmapProcState.cpp b/src/core/SkBitmapProcState.cpp
index 8874e7b4452308e62bcb12e964f3e9d9660ce92f..3b83d075061af9e149c717a36f93e127a3aad1f5 100644
--- a/src/core/SkBitmapProcState.cpp
+++ b/src/core/SkBitmapProcState.cpp
@@ -359,17 +359,6 @@ bool SkBitmapProcState::lockBaseBitmap() {
     return true;
 }
 
-void SkBitmapProcState::endContext() {
-    SkDELETE(fBitmapFilter);
-    fBitmapFilter = NULL;
-    fScaledBitmap.reset();
-
-    if (fScaledCacheID) {
-        SkScaledImageCache::Unlock(fScaledCacheID);
-        fScaledCacheID = NULL;
-    }
-}
-
 SkBitmapProcState::~SkBitmapProcState() {
     if (fScaledCacheID) {
         SkScaledImageCache::Unlock(fScaledCacheID);