Documents how to use compile_single_file in VSCode and Sublime.

This scripts lives in depot_tools.

Bug: 759146
Change-Id: I3877d3b53ef2f91b34cebb61b04e6f285a006ae7
Reviewed-on: https://chromium-review.googlesource.com/911428
Commit-Queue: Sébastien Marchand <sebmarchand@chromium.org>
Reviewed-by: Lutz Justen <ljusten@chromium.org>
Reviewed-by: Sasha Morrissey <sashab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#541885}

docs/sublime_ide.md

@@ -427,27 +427,6 @@ about it with this command: Windows: `git config --global core.excludesfile
 %USERPROFILE%\.gitignore` Mac, Linux: `git config --global core.excludesfile
 ~/.gitignore`
 
-### Build a single file
-Copy the file `compile_current_file.py` to your Packages directory:
-
-```shell
-cd /path/to/chromium/src
-cp tools/sublime/compile_current_file.py ~/.config/sublime-text-3/Packages/User
-```
-
-This will give you access to a command `"compile_current_file"`, which you can
-then add to your `Preferences > Keybindings - User` file:
-
-```json
-[
-  { "keys": ["ctrl+f7"], "command": "compile_current_file", "args": {"target_build": "Debug"} },
-  { "keys": ["ctrl+shift+f7"], "command": "compile_current_file", "args": {"target_build": "Release"} },
-]
-```
-
-You can then press those key combinations to compile the current file in the
-given target build.
-
 ## Building inside Sublime
 
 To build inside Sublime Text, we first have to create a new build system.
@@ -523,6 +502,10 @@ build targets with `Ctrl + Shift + B`:
       "name": "Browser Tests",
       "cmd": ["ninja", "-j", "1000", "-C", "out/Debug", "browser_tests"],
     },
+    {
+      "name": "Current file",
+      "cmd": ["compile_single_file", "--build-dir", "out/Debug", "--file-path", "$file"],
+    },
   ]
 ```
 

docs/vscode.md

@@ -352,6 +352,28 @@ You might have to adjust the commands to your situation and needs.
         "file": 1, "severity": 3, "message": 4
       }
     }]
+  },
+  {
+    "taskName": "6-build_current_file",
+    "command": "compile_single_file --build-dir=out/Debug --file-path=${file}",
+    "isShellCommand": true,
+    "problemMatcher": [
+    {
+      "owner": "cpp",
+      "fileLocation": ["relative", "${workspaceRoot}"],
+      "pattern": {
+        "regexp": "^../../(.*):(\\d+):(\\d+):\\s+(warning|\\w*\\s?error):\\s+(.*)$",
+        "file": 1, "line": 2, "column": 3, "severity": 4, "message": 5
+      }
+    },
+    {
+      "owner": "cpp",
+      "fileLocation": ["relative", "${workspaceRoot}"],
+      "pattern": {
+        "regexp": "^../../(.*?):(.*):\\s+(warning|\\w*\\s?error):\\s+(.*)$",
+        "file": 1, "severity": 3, "message": 4
+      }
+    }]
   }]
 }
 ```