Request file icon at current device scale factor.

Request file icon at current device scale factor.

BUG=134802
TEST=Navigate to about:downloads in 2x mode. A 2x fileicon is requested.

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=147858

[flackr, 2012-07-20 19:06:01]

PTAL, thanks! This should request the fileicon for the downloads page at the
current device scale factor.

[James Hawkins, 2012-07-23 03:21:33]

lgtm

[commit-bot: I haz the power, 2012-07-23 13:44:56]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/flackr@chromium.org/10795047/1

[commit-bot: I haz the power, 2012-07-23 13:45:00]

Presubmit check for 10795047-1 failed and returned exit status 1.

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** Presubmit Messages **
See the JavaScript style guide at
http://www.chromium.org/developers/web-development-style-guide#TOC-JavaScript
and if you have any feedback about the JavaScript PRESUBMIT check, contact
tbreisacher@chromium.org

** Presubmit Warnings **
Found JavaScript style violations in
chrome/browser/resources/downloads/downloads.js:
  line 10: E0210: Missing docs for parameter: "node"
function showInline(node, isShow) {
                                ^^
  line 10: E0210: Missing docs for parameter: "isShow"
function showInline(node, isShow) {
                                ^^
  line 22: E0217: Missing @return JsDoc in function with non-trivial return
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  line 33: E0217: Missing @return JsDoc in function with non-trivial return
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  line 47: E0217: Missing @return JsDoc in function with non-trivial return
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  line 549: E0217: Missing @return JsDoc in function with non-trivial return
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  line 558: E0217: Missing @return JsDoc in function with non-trivial return
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  line 567: E0217: Missing @return JsDoc in function with non-trivial return
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  line 576: E0217: Missing @return JsDoc in function with non-trivial return
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  line 586: E0217: Missing @return JsDoc in function with non-trivial return
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  line 595: E0217: Missing @return JsDoc in function with non-trivial return
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  line 604: E0217: Missing @return JsDoc in function with non-trivial return
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  line 613: E0217: Missing @return JsDoc in function with non-trivial return
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  line 683: E0210: Missing docs for parameter: "results"
function downloadsList(results) {
                              ^^
  line 697: E0210: Missing docs for parameter: "results"
function downloadUpdated(results) {
                                ^^

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