chromiumer.sh bash script that will download the latest Chromium chrome-mac.zip and devtools_frontend.zip, extract them into cwd, and link them together using --debug-devtools-frontend.

chromiumer-devtools.sh

#!/bin/bash

# I use this (optional) file to make the font larger for presentations - Cowboy

echo -n "Modifying fonts..."
find "$1" \( -name devTools.css \) \
-exec sh -c 'cat >> $1 <<EOF

/* === Added on `date` === */

/* LARGER fonts in WebKit Inspector */

/* Yes, this is intentional (selector specificity, etc) */
body[class*="platform-"][class*="platform-"] .monospace,
body[class*="platform-"][class*="platform-"] .source-code,
.console-group-messages .outline-disclosure,
.console-group-messages .outline-disclosure ol {
  font-size: 20px !important;
  line-height: 1.15em !important;
}

.styles-element-state-pane { margin-top: -53px !important; }
.styles-element-state-pane.expanded { margin-top: 0 !important; }

.section .header::before { top: -5px !important; }
.section {
  margin-top: 0.3em !important;
  margin-bottom: 0.5em !important;
}
EOF' _ {} \;
echo "OK"

chromiumer.sh

#!/bin/bash

OS="Mac"
URLBASE="http://commondatastorage.googleapis.com/chromium-browser-continuous/$OS"
APP="chrome-mac.zip"
DEV="devtools_frontend.zip"
REV=$1

INSTALLPATH="."

CURRENT=$(cat "$INSTALLPATH/chromium/REVISION" 2>/dev/null)

if [ ! "$REV" ]; then
  echo -n "Checking latest Chromium version..."
  REV=$(curl -s "$URLBASE/LAST_CHANGE")
  if [[ "$REV" =~ ^[0-9]+$ ]]; then
    echo "OK"
  else
    echo "ERROR"
    echo "Error loading revision data from $URLBASE/LAST_CHANGE, aborting update."
    exit 1
  fi
fi

echo "Attempting to update Chromium to revision $REV..."

if [ "$REV" = "$CURRENT" ]; then
  if [ "$1" ]; then
    echo "Revision $REV is already installed!"
  else
    echo "Already up-to-date!"
  fi
  exit 1
fi

TMP=$(mktemp -d "/tmp/chromiumer.XXXXX")
curl "$URLBASE/$REV/{$APP,$DEV}" --progress-bar --location --output "$TMP/#1"

if [ ! -f "$TMP/$APP" ]; then
  echo "Error downloading $APP, aborting update."
  rm -rf "$TMP"
  exit 1
fi

if [ ! -f "$TMP/$DEV" ]; then
  echo "Error downloading $DEV, aborting update."
  rm -rf "$TMP"
  exit 1
fi

echo -n "Deleting existing files..."
rm -rf "$INSTALLPATH/Chromium.app" "$INSTALLPATH/chromium"
echo "OK"

echo -n "Creating new files..."
mkdir -p "$INSTALLPATH/chromium"
DEVTOOLS="$INSTALLPATH/chromium/devtools"
echo $REV > "$INSTALLPATH/chromium/REVISION"
unzip -qo "$TMP/$DEV" -d "$DEVTOOLS"
unzip -qo "$TMP/$APP" -d "$TMP"
echo "OK"

APPBASE=$(basename "$APP" .zip)
mv "$TMP/$APPBASE/Chromium.app" "$INSTALLPATH/"

echo -n "Modifying Chromium bin file to use --debug-devtools-frontend..."
BINPATH="$INSTALLPATH/Chromium.app/Contents/MacOS"
BIN="$BINPATH/Chromium"
mv "$BIN" "$BINPATH/Chromium-bin"

cat > "$BIN" <<'EOF'
#!/bin/bash
BIN=$(echo $0 | perl -pe 's/$/-bin/')
DEV=$(echo $0 | perl -pe 's#Chromium\.app.*#chromium/devtools#')
"$BIN" --debug-devtools-frontend="$DEV"
EOF
chmod +x "$BIN"
echo "OK"

echo -n "Cleaning up..."
rm -rf "$TMP"
echo "OK"

if [ -f "chromiumer-devtools.sh" ]; then
  echo "Running chromiumer-devtools.sh..."
  ./chromiumer-devtools.sh "$DEVTOOLS"
fi

echo "Done!"

In case anyone wants this as an app, just appify it!

OH!! Sorry I'm using Linux Fedora Core 8 version. Can you please give me the script for Linux (Fedora core 8)?. Thanks.

This has now been rolled into my dotfiles repo.