[DevTools] Only create DevToolsAgent for local main frame.

[DevTools] Only create DevToolsAgent for local main frame.

This is already the case on the blink side. In future, DevToolsAgent
will move to RenderFrame and will be created for every local frame root.

BUG=451004
Committed: https://crrev.com/d59a26aaecd1e57074b7ca0066832f1d35b748de
Cr-Commit-Position: refs/heads/master@{#321776}

[dgozman, 2015-03-23 12:00:18]

dgozman@chromium.org changed reviewers:
+ creis@chromium.org, nasko@chromium.org, pfeldman@chromium.org

[dgozman, 2015-03-23 12:00:19]

Take a look please.

[pfeldman, 2015-03-23 12:49:44]

lgtm

https://codereview.chromium.org/1029033003/diff/1/content/renderer/render_vie...
File content/renderer/render_view_impl.cc (right):

https://codereview.chromium.org/1029033003/diff/1/content/renderer/render_vie...
content/renderer/render_view_impl.cc:782: if (webview()->devToolsAgent()) {
Place to under the if above.

[dgozman, 2015-03-23 13:28:26]

https://codereview.chromium.org/1029033003/diff/1/content/renderer/render_vie...
File content/renderer/render_view_impl.cc (right):

https://codereview.chromium.org/1029033003/diff/1/content/renderer/render_vie...
content/renderer/render_view_impl.cc:782: if (webview()->devToolsAgent()) {
On 2015/03/23 12:49:44, pfeldman wrote:
> Place to under the if above.

Done.

[nasko, 2015-03-23 14:00:58]

LGTM

[dgozman, 2015-03-23 14:05:15]

The CQ bit was checked by dgozman@chromium.org

[dgozman, 2015-03-23 14:05:15]

The patchset sent to the CQ was uploaded after l-g-t-m from
pfeldman@chromium.org
Link to the patchset: https://codereview.chromium.org/1029033003/#ps20001
(title: "fixed review comment")

[commit-bot: I haz the power, 2015-03-23 14:05:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1029033003/20001

[commit-bot: I haz the power, 2015-03-23 15:02:02]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-03-23 15:03:05]

Patchset 2 (id:??) landed as
https://crrev.com/d59a26aaecd1e57074b7ca0066832f1d35b748de
Cr-Commit-Position: refs/heads/master@{#321776}