Remove //net (except for Android test stuff) and sdch

net/spdy/spdy_frame_builder.cc

Index: net/spdy/spdy_frame_builder.cc
diff --git a/net/spdy/spdy_frame_builder.cc b/net/spdy/spdy_frame_builder.cc
deleted file mode 100644
index 0b852118d11c4519acdd3ffa094755be4bd960b5..0000000000000000000000000000000000000000
--- a/net/spdy/spdy_frame_builder.cc
+++ /dev/null
@@ -1,225 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/spdy/spdy_frame_builder.h"
-
-#include <limits>
-
-#include "base/logging.h"
-#include "net/spdy/spdy_framer.h"
-#include "net/spdy/spdy_protocol.h"
-
-namespace net {
-
-namespace {
-
-// A special structure for the 8 bit flags and 24 bit length fields.
-union FlagsAndLength {
-  uint8 flags[4];  // 8 bits
-  uint32 length;   // 24 bits
-};
-
-// Creates a FlagsAndLength.
-FlagsAndLength CreateFlagsAndLength(uint8 flags, size_t length) {
-  DCHECK_EQ(0u, length & ~static_cast<size_t>(kLengthMask));
-  FlagsAndLength flags_length;
-  flags_length.length = htonl(static_cast<uint32>(length));
-  DCHECK_EQ(0, flags & ~kControlFlagsMask);
-  flags_length.flags[0] = flags;
-  return flags_length;
-}
-
-}  // namespace
-
-SpdyFrameBuilder::SpdyFrameBuilder(size_t size, SpdyMajorVersion version)
-    : buffer_(new char[size]),
-      capacity_(size),
-      length_(0),
-      offset_(0),
-      version_(version) {
-}
-
-SpdyFrameBuilder::~SpdyFrameBuilder() {
-}
-
-char* SpdyFrameBuilder::GetWritableBuffer(size_t length) {
-  if (!CanWrite(length)) {
-    return NULL;
-  }
-  return buffer_.get() + offset_ + length_;
-}
-
-bool SpdyFrameBuilder::Seek(size_t length) {
-  if (!CanWrite(length)) {
-    return false;
-  }
-
-  length_ += length;
-  return true;
-}
-
-bool SpdyFrameBuilder::WriteControlFrameHeader(const SpdyFramer& framer,
-                                               SpdyFrameType type,
-                                               uint8 flags) {
-  DCHECK_GE(SPDY3, version_);
-  DCHECK(SpdyConstants::IsValidFrameType(
-      version_, SpdyConstants::SerializeFrameType(version_, type)));
-  bool success = true;
-  FlagsAndLength flags_length = CreateFlagsAndLength(
-      flags, capacity_ - framer.GetControlFrameHeaderSize());
-  success &= WriteUInt16(kControlFlagMask |
-                         SpdyConstants::SerializeMajorVersion(version_));
-  success &= WriteUInt16(
-      SpdyConstants::SerializeFrameType(framer.protocol_version(), type));
-  success &= WriteBytes(&flags_length, sizeof(flags_length));
-  DCHECK_EQ(framer.GetControlFrameHeaderSize(), length());
-  return success;
-}
-
-bool SpdyFrameBuilder::WriteDataFrameHeader(const SpdyFramer& framer,
-                                            SpdyStreamId stream_id,
-                                            uint8 flags) {
-  if (version_ > SPDY3) {
-    return BeginNewFrame(framer, DATA, flags, stream_id);
-  }
-  DCHECK_EQ(0u, stream_id & ~kStreamIdMask);
-  bool success = true;
-  success &= WriteUInt32(stream_id);
-  size_t length_field = capacity_ - framer.GetDataFrameMinimumSize();
-  DCHECK_EQ(0u, length_field & ~static_cast<size_t>(kLengthMask));
-  FlagsAndLength flags_length;
-  flags_length.length = htonl(length_field);
-  DCHECK_EQ(0, flags & ~kDataFlagsMask);
-  flags_length.flags[0] = flags;
-  success &= WriteBytes(&flags_length, sizeof(flags_length));
-  DCHECK_EQ(framer.GetDataFrameMinimumSize(), length());
-  return success;
-}
-
-bool SpdyFrameBuilder::BeginNewFrame(const SpdyFramer& framer,
-                                     SpdyFrameType type,
-                                     uint8 flags,
-                                     SpdyStreamId stream_id) {
-  DCHECK(SpdyConstants::IsValidFrameType(
-      version_, SpdyConstants::SerializeFrameType(version_, type)));
-  DCHECK_EQ(0u, stream_id & ~kStreamIdMask);
-  DCHECK_GT(framer.protocol_version(), SPDY3);
-  bool success = true;
-  if (length_ > 0) {
-    // Update length field for previous frame.
-    OverwriteLength(framer, length_ - framer.GetPrefixLength(type));
-    DLOG_IF(DFATAL, SpdyConstants::GetFrameMaximumSize(version_) < length_)
-        << "Frame length  " << length_
-        << " is longer than the maximum allowed length.";
-  }
-
-  offset_ += length_;
-  length_ = 0;
-
-  // Assume all remaining capacity will be used for this frame. If not,
-  // the length will get overwritten when we begin the next frame.
-  // Don't check for length limits here because this may be larger than the
-  // actual frame length.
-  success &= WriteUInt24(capacity_ - offset_ - framer.GetPrefixLength(type));
-  success &= WriteUInt8(
-      SpdyConstants::SerializeFrameType(version_, type));
-  success &= WriteUInt8(flags);
-  success &= WriteUInt32(stream_id);
-  DCHECK_EQ(framer.GetDataFrameMinimumSize(), length_);
-  return success;
-}
-
-bool SpdyFrameBuilder::WriteString(const std::string& value) {
-  if (value.size() > 0xffff) {
-    DCHECK(false) << "Tried to write string with length > 16bit.";
-    return false;
-  }
-
-  if (!WriteUInt16(static_cast<uint16>(value.size())))
-    return false;
-
-  return WriteBytes(value.data(), static_cast<uint16>(value.size()));
-}
-
-bool SpdyFrameBuilder::WriteStringPiece32(const base::StringPiece& value) {
-  if (!WriteUInt32(value.size())) {
-    return false;
-  }
-
-  return WriteBytes(value.data(), value.size());
-}
-
-bool SpdyFrameBuilder::WriteBytes(const void* data, uint32 data_len) {
-  if (!CanWrite(data_len)) {
-    return false;
-  }
-
-  char* dest = GetWritableBuffer(data_len);
-  memcpy(dest, data, data_len);
-  Seek(data_len);
-  return true;
-}
-
-bool SpdyFrameBuilder::RewriteLength(const SpdyFramer& framer) {
-  return OverwriteLength(framer,
-                         length_ - framer.GetControlFrameHeaderSize());
-}
-
-bool SpdyFrameBuilder::OverwriteLength(const SpdyFramer& framer,
-                                       size_t length) {
-  if (version_ < SPDY4) {
-    DCHECK_LE(length,
-              SpdyConstants::GetFrameMaximumSize(version_) -
-                  framer.GetFrameMinimumSize());
-  } else {
-    DCHECK_LE(length, SpdyConstants::GetFrameMaximumSize(version_));
-  }
-  bool success = false;
-  const size_t old_length = length_;
-
-  if (version_ < SPDY4) {
-    FlagsAndLength flags_length = CreateFlagsAndLength(
-        0,  // We're not writing over the flags value anyway.
-        length);
-
-    // Write into the correct location by temporarily faking the offset.
-    length_ = 5;  // Offset at which the length field occurs.
-    success = WriteBytes(reinterpret_cast<char*>(&flags_length) + 1,
-                         sizeof(flags_length) - 1);
-  } else {
-    length_ = 0;
-    success = WriteUInt24(length);
-  }
-
-  length_ = old_length;
-  return success;
-}
-
-bool SpdyFrameBuilder::OverwriteFlags(const SpdyFramer& framer,
-                                      uint8 flags) {
-  DCHECK_GT(framer.protocol_version(), SPDY3);
-  bool success = false;
-  const size_t old_length = length_;
-  // Flags are the fifth octet in the frame prefix.
-  length_ = 4;
-  success = WriteUInt8(flags);
-  length_ = old_length;
-  return success;
-}
-
-bool SpdyFrameBuilder::CanWrite(size_t length) const {
-  if (length > kLengthMask) {
-    DCHECK(false);
-    return false;
-  }
-
-  if (offset_ + length_ + length > capacity_) {
-    DCHECK(false);
-    return false;
-  }
-
-  return true;
-}
-
-}  // namespace net