Avoid merging SharedBuffer segments in TextResource::decodedText

third_party/WebKit/Source/core/fetch/TextResource.cpp

Index: third_party/WebKit/Source/core/fetch/TextResource.cpp
diff --git a/third_party/WebKit/Source/core/fetch/TextResource.cpp b/third_party/WebKit/Source/core/fetch/TextResource.cpp
index 5ec44e320521e772a3ed5da960bfb08142eb9c8f..3286b8005d75b57868c172005291c070c14dfec6 100644
--- a/third_party/WebKit/Source/core/fetch/TextResource.cpp
+++ b/third_party/WebKit/Source/core/fetch/TextResource.cpp
@@ -7,6 +7,7 @@
 
 #include "core/html/parser/TextResourceDecoder.h"
 #include "platform/SharedBuffer.h"
+#include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
@@ -34,9 +35,15 @@ String TextResource::decodedText() const
 {
     ASSERT(m_data);
 
-    String text = m_decoder->decode(m_data->data(), encodedSize());
-    text.append(m_decoder->flush());
-    return text;
+    StringBuilder builder;
+    const char* data;
+    unsigned position = 0;
+    while (unsigned length = m_data->getSomeData(data, position)) {
+        builder.append(m_decoder->decode(data, length));
+        position += length;
+    }
+    builder.append(m_decoder->flush());
+    return builder.toString();
 }
 
 } // namespace blink