* change from build_runner to dart2js

* add internalBootstrapBrowserTest to some of the tests

* add internalBootstrapBrowserTest to all remaining tests

* make tests build in paralel. Total time dropped from 586 to 177 seconds for 8 core MacBook

* change isolates with pool

* fixing analysis errors

* skipping canvaskit tests for ios-safari

* copy image files to the build directory

* adding internalBootstrapBrowserTest to newly added tests

* add internalBootstrapBrowserTest to faling path iterator test

* necessary changes to make chrome windows work

* in windows test in chrome instead of edge. our edge code was for legacy edge

* do not run golden unit tests on Windows LUCI bots for now

* addressing reviewer comments. Adding a method for deciding when to run integration tests.

* remove lines that I forgot to remove

* fixing analysis error. add issue for todo

* add bootstap to a test file

* adding bootstrap to another test

* add internalBootstrapBrowserTest to a golden test

* return test result in bat file. use archieve package to unzip

* fixing logs for chrome_installer

* use archieve and archieve entity instead of dynamic

* adding comments for windows platform archieve part

* addressing reviewer comments

* change readme file

This cleans up the ci scripts so that they can be run from an arbitrary directory, and so that they don't have any bash lint issues, and are more explicit about which dart/pub/dartanalyzer executable they run.

I also fixed the format script to take a "--fix" argument that will fix all of the formatting issues found, including trailing whitespace and gn files.

I added a warning to the license script about untracked/ignored files in the fluttter repo because those so often trip up the license script.

I added missing license information to the ci scripts too.

There's now a bit of boilerplate at the beginning of each script (the follow_links function) in order to reliably find the actual location of the script: I'd put it into a common file, except that that code would be needed to reliably find the common location too, so I needed to duplicate it. It's the same boilerplate as what is used in the flutter/flutter repo for the flutter and dart scripts.

I deleted the ci/test.sh script, since it seems to be obsolete (the test it tries to run doesn't exist anywhere).

This reverts commit 9333b7c1.

Queries the system list of user-preferred languages, and sends it to the
engine just after starting it up.

Windows portion of https://github.com/flutter/flutter/issues/45152

Relands https://github.com/flutter/engine/pull/20399

Makes BinaryMessenger available from FlutterEngine, rather than just the plugin registrar. This allows for method channels directly in applications without building them as plugins, and matches the other platforms.

Requires some restructuring of code and GN targets in the client wrappers to make the internals in the shared section usable by the implementations of platform-specific parts of the wrappers. Also fixes a latent issue with EnableInputBlocking symbols being declared but not defined for Windows that came up during testing of the restructing.

Fixes https://github.com/flutter/flutter/issues/62871

This reverts commit 7fa21a45.

Makes BinaryMessenger available from FlutterEngine, rather than just the plugin registrar. This allows for method channels directly in applications without building them as plugins, and matches the other platforms.

Requires some restructuring of code and GN targets in the client wrappers to make the internals in the shared section usable by the implementations of platform-specific parts of the wrappers. Also fixes a latent issue with EnableInputBlocking symbols being declared but not defined for Windows that came up during testing of the restructuring.

Fixes https://github.com/flutter/flutter/issues/62871

FlutterViewControllers.

Reland #19396 with a fix for improper scale that was affecting internal tests

Tested: Ran all unittests, ran internal tests, and ran workstation on Fuchsia
BUG: 53062, 53063

* Handle glfwGetPrimaryMonitor returning nullptr

[glfwGetPrimaryMonitor](https://www.glfw.org/docs/3.3/group__monitor.html#ga721867d84c6d18d6790d64d2847ca0b1) may return NULL in non-error cases when no monitor is found. This started to happen recently with an update to the linux distribution, see internal b/162545223.

Handling this case avoids a crash and instead assumes a pixel density.