DO NOT COMMIT: Experimental removal of encoded image data

third_party/WebKit/Source/platform/graphics/ImageSource.cpp

Index: third_party/WebKit/Source/platform/graphics/ImageSource.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/ImageSource.cpp b/third_party/WebKit/Source/platform/graphics/ImageSource.cpp
index bb459577276bb6208c8336f7f0aa9b1e413c40ac..88c79bbf9427c91300bc9654ad178bbc75611e2f 100644
--- a/third_party/WebKit/Source/platform/graphics/ImageSource.cpp
+++ b/third_party/WebKit/Source/platform/graphics/ImageSource.cpp
@@ -46,6 +46,13 @@ size_t ImageSource::clearCacheExceptFrame(size_t clearExceptFrame)
     return m_decoder ? m_decoder->clearCacheExceptFrame(clearExceptFrame) : 0;
 }
 
+bool ImageSource::clear()
+{
+    if (!m_decoder)
+        return false;
+    return m_decoder->clear();
+}
+
 PassRefPtr<SharedBuffer> ImageSource::data()
 {
     return m_decoder ? m_decoder->data() : nullptr;