Initial implementation of ServiceWorkerCache.

net/base/io_buffer.cc

Index: net/base/io_buffer.cc
diff --git a/net/base/io_buffer.cc b/net/base/io_buffer.cc
index dd1d4517eeab06721b62d3f70faf7c91f3a885d1..071e731d0c11c068a04e75a63b590bd82bdd6830 100644
--- a/net/base/io_buffer.cc
+++ b/net/base/io_buffer.cc
@@ -52,6 +52,16 @@ StringIOBuffer::~StringIOBuffer() {
   data_ = NULL;
 }
 
+ZeroCopyStringIOBuffer::ZeroCopyStringIOBuffer(std::string* s) : IOBuffer() {
+  string_.swap(*s);
+  CHECK_LT(s->size(), static_cast<size_t>(INT_MAX));
+  data_ = const_cast<char*>(string_.data());
+}
+
+ZeroCopyStringIOBuffer::~ZeroCopyStringIOBuffer() {
+  data_ = NULL;

[michaeln, 2014/08/14 22:59:01]

is this needed? oh i see the comment in ~StringIOBuffer applies here as well,
probably worth putting that comment here too.

[jkarlin, 2014/08/15 11:49:44]

No longer necessary after merge into StringIOBuffer as suggested by gavinp.

+}
+
 DrainableIOBuffer::DrainableIOBuffer(IOBuffer* base, int size)
     : IOBuffer(base->data()),
       base_(base),