tint->dawn: Move src/common -> src/dawn/common

Also remove stuttering from the target names by dropping the 'dawn_' prefix.

Bug: dawn:1275
Change-Id: Iac79f9927010b8e5edeb7e0949092b34431d54dd
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79061
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/dawn/common/Assert.cpp

@@ -0,0 +1,31 @@
+// Copyright 2017 The Dawn Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "dawn/common/Assert.h"
+#include "dawn/common/Log.h"
+
+#include <cstdlib>
+
+void HandleAssertionFailure(const char* file,
+                            const char* function,
+                            int line,
+                            const char* condition) {
+    dawn::ErrorLog() << "Assertion failure at " << file << ":" << line << " (" << function
+                     << "): " << condition;
+#if defined(DAWN_ABORT_ON_ASSERT)
+    abort();
+#else
+    DAWN_BREAKPOINT();
+#endif
+}