[DevTools] Add stub handlers for synthetic gesture commands.

[DevTools] Add stub handlers for synthetic gesture commands.

This is the first of three CLs to add synthetic gesture commands to the DevTools Input domain. The changes need to be split up so that the code generated from protocol.json has some stub functions to call.

1. crrev.com/846113004
2. crrev.com/841013002
3. crrev.com/792883007

BUG=448182
Committed: https://crrev.com/1b5ccef52b9410ab6efeecdc9a2dc156acdbbbfe
Cr-Commit-Position: refs/heads/master@{#317371}

[samuong, 2015-01-14 05:11:31]

samuong@chromium.org changed reviewers:
+ dgozman@chromium.org

[samuong, 2015-01-14 05:13:51]

samuong@chromium.org changed reviewers:
+ jdduke@chromium.org, nduca@chromium.org

[samuong, 2015-01-14 05:13:51]

This is the first of three CLs to add synthetic gesture commands to the DevTools
Input domain. The changes need to be split up so that the code generated from
protocol.json has some stub functions to call.

[samuong, 2015-01-15 06:33:40]

Patchset #3 (id:40001) has been deleted

[dgozman, 2015-02-19 10:04:58]

lgtm

https://codereview.chromium.org/846113004/diff/120001/content/browser/devtool...
File content/browser/devtools/protocol/input_handler.h (right):

https://codereview.chromium.org/846113004/diff/120001/content/browser/devtool...
content/browser/devtools/protocol/input_handler.h:49: const int* xdistance,
x_distance

https://codereview.chromium.org/846113004/diff/120001/content/browser/devtool...
content/browser/devtools/protocol/input_handler.h:50: const int* ydistance,
y_distance

https://codereview.chromium.org/846113004/diff/120001/content/browser/devtool...
content/browser/devtools/protocol/input_handler.h:51: const int* xoverscroll,
x_overscroll

https://codereview.chromium.org/846113004/diff/120001/content/browser/devtool...
content/browser/devtools/protocol/input_handler.h:52: const int* yoverscroll,
y_overscroll

[samuong, 2015-02-19 18:09:07]

New patchsets have been uploaded after l-g-t-m from dgozman@chromium.org

[samuong, 2015-02-19 18:10:57]

The CQ bit was checked by samuong@chromium.org

[commit-bot: I haz the power, 2015-02-19 18:13:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/846113004/140001

[commit-bot: I haz the power, 2015-02-19 19:09:28]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-02-19 19:09:29]

Try jobs failed on following builders:
  win8_chromium_rel on tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_rel...)

[samuong, 2015-02-20 18:18:16]

The CQ bit was checked by samuong@chromium.org

[commit-bot: I haz the power, 2015-02-20 18:19:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/846113004/180001

[commit-bot: I haz the power, 2015-02-20 19:30:33]

Committed patchset #9 (id:180001)

[commit-bot: I haz the power, 2015-02-20 19:31:32]

Patchset 9 (id:??) landed as
https://crrev.com/1b5ccef52b9410ab6efeecdc9a2dc156acdbbbfe
Cr-Commit-Position: refs/heads/master@{#317371}