Making Android Url bar behavior to ESCAPE key same as in Desktop Chrome

In response to ESCAPE key desktop chrome is selecting all the contents
of Url bar. Making same behavior in Android Chrome as well.

BUG=631075

Review-Url: https://codereview.chromium.org/2211433002
Cr-Commit-Position: refs/heads/master@{#416452}

chrome/android/java/src/org/chromium/chrome/browser/KeyboardShortcuts.java

@@ -72,8 +72,9 @@ public class KeyboardShortcuts {
                 return true;
             case KeyEvent.KEYCODE_ESCAPE:
                 if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) {
-                    return activity.exitFullscreenIfShowing();
+                    if (activity.exitFullscreenIfShowing()) return true;
                 }
+                break;
             case KeyEvent.KEYCODE_TV:
             case KeyEvent.KEYCODE_GUIDE:
             case KeyEvent.KEYCODE_DVR:

chrome/android/java/src/org/chromium/chrome/browser/omnibox/LocationBarLayout.java

@@ -333,6 +333,11 @@ public class LocationBarLayout extends FrameLayout implements OnClickListener,
                         return true;
                     }
                 }
+            } else if (keyCode == KeyEvent.KEYCODE_ESCAPE) {
+                if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) {
+                    revertChanges();
+                    return true;
+                }
             }
             return false;
         }
@@ -899,11 +904,14 @@ public class LocationBarLayout extends FrameLayout implements OnClickListener,
         } else {
             Tab tab = mToolbarDataProvider.getTab();
             if (NativePageFactory.isNativePageUrl(tab.getUrl(), tab.isIncognito())) {
-                mUrlBar.setUrl("", null);
+                setUrlBarText("", null);
             } else {
-                mUrlBar.setUrl(
+                setUrlBarText(
                         mToolbarDataProvider.getText(), getCurrentTabUrl());
+                selectAll();
             }
+            hideSuggestions();
+            UiUtils.hideKeyboard(mUrlBar);
         }
     }