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Where's the source code to the native PDF viewer in Google Chrome?

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Can't seem to find it in trunk. Is this actually part of the open-source Chromium project? Or is the source to this not actually released? Only mention I could find:

http://www.listware.net/201007/chromium-discuss/93274-chromium-discuss-chrome-pdf-viewer-source.html


Fetch it with Git:

  • $ git clone https://pdfium.googlesource.com/pdfium

View and contribute:

  • https://pdfium.googlesource.com/pdfium/+/master (Source browser)
  • https://pdfium.googlesource.com/pdfium/+/master/LICENSE (BSD 3-clause)
  • https://code.google.com/p/pdfium/ (Bug-tracker)


Chromium just automatically embeds a page with PDF, the custom plugin is bundled up with Chrome. Adobe and Google has some mutual agreement:

You can right click and inspect the PDF Native Viewer to see yourself, you will see something like the following:

<html>
<body marginwidth="0" marginheight="0" bgcolor="rgb(38,38,38)">
<embed width="100%" height="100%" name="plugin" src="http://path/to/file.pdf" type="application/pdf">
</body>
</html>


I just cite a snippet of the Chromium wiki (last updated on Nov 20, 2012):

The Chrome PDF plugin uses 3rd-party non-free code; no Free Software PDF plugin exists that supports all the PDF features we'd like (such as filling in forms). :(


It is closed-source, just as native Flash plugin.

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