Toolbar: Move Toolbar interface to the modularized target

Bug: 1127732
Change-Id: I9f0d75ea44896c09d281bea95d8a1f3bbfb7fd78
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2645270Reviewed-by: Theresa  <twellington@chromium.org>
Commit-Queue: Jinsuk Kim <jinsukkim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#846450}

chrome/android/chrome_java_sources.gni

@@ -1389,7 +1389,6 @@ chrome_java_sources = [
   "java/src/org/chromium/chrome/browser/toolbar/top/StartSurfaceToolbarViewBinder.java",
   "java/src/org/chromium/chrome/browser/toolbar/top/TabSwitcherModeTTCoordinatorPhone.java",
   "java/src/org/chromium/chrome/browser/toolbar/top/TabSwitcherModeTTPhone.java",
-  "java/src/org/chromium/chrome/browser/toolbar/top/Toolbar.java",
   "java/src/org/chromium/chrome/browser/toolbar/top/ToolbarControlContainer.java",
   "java/src/org/chromium/chrome/browser/toolbar/top/ToolbarLayout.java",
   "java/src/org/chromium/chrome/browser/toolbar/top/ToolbarPhone.java",

chrome/browser/ui/android/toolbar/BUILD.gn

@@ -49,6 +49,7 @@ android_library("java") {
     "java/src/org/chromium/chrome/browser/toolbar/top/TabSwitcherActionMenuCoordinator.java",
     "java/src/org/chromium/chrome/browser/toolbar/top/ToggleTabStackButton.java",
     "java/src/org/chromium/chrome/browser/toolbar/top/ToggleTabStackButtonCoordinator.java",
+    "java/src/org/chromium/chrome/browser/toolbar/top/Toolbar.java",
     "java/src/org/chromium/chrome/browser/toolbar/top/ToolbarActionModeCallback.java",
     "java/src/org/chromium/chrome/browser/toolbar/top/TopToolbarOverlayCoordinator.java",
     "java/src/org/chromium/chrome/browser/toolbar/top/TopToolbarOverlayMediator.java",