Linux: Re-enable omnibox select-all-on-click for Chrome OS builds.

chrome/browser/autocomplete/autocomplete_edit_view_gtk.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <string>
@@ skipping 129 matching lines @@
   gboolean HandleKeyPress(GtkWidget* widget, GdkEventKey* event);
 
   static gboolean HandleKeyReleaseThunk(GtkWidget* widget,
                                         GdkEventKey* event,
                                         gpointer self) {
     return reinterpret_cast<AutocompleteEditViewGtk*>(self)->HandleKeyRelease(
         widget, event);
   }
   gboolean HandleKeyRelease(GtkWidget* widget, GdkEventKey* event);
 
+#if defined(OS_CHROMEOS)
   static gboolean HandleViewButtonPressThunk(GtkWidget* view,
                                              GdkEventButton* event,
                                              gpointer self) {
     return reinterpret_cast<AutocompleteEditViewGtk*>(self)->
         HandleViewButtonPress(event);
   }
   gboolean HandleViewButtonPress(GdkEventButton* event);
 
   static gboolean HandleViewButtonReleaseThunk(GtkWidget* view,
                                                GdkEventButton* event,
                                                gpointer self) {
     return reinterpret_cast<AutocompleteEditViewGtk*>(self)->
         HandleViewButtonRelease(event);
   }
   gboolean HandleViewButtonRelease(GdkEventButton* event);
+#endif
 
   static gboolean HandleViewFocusInThunk(GtkWidget* view,
                                           GdkEventFocus* event,
                                           gpointer self) {
     return reinterpret_cast<AutocompleteEditViewGtk*>(self)->
         HandleViewFocusIn();
   }
   gboolean HandleViewFocusIn();
 
   static gboolean HandleViewFocusOutThunk(GtkWidget* view,
@@ skipping 201 matching lines @@
   // The most-recently-selected text from the entry.  This is updated on-the-fly
   // as the user selects text.  It is used in cases where we need to make the
   // PRIMARY selection persist even after the user has unhighlighted the text in
   // the view (e.g. when they highlight some text and then click to unhighlight
   // it, we pass this string to SavePrimarySelection()).
   std::string selected_text_;
 
   // ID of the signal handler for "mark-set" on |text_buffer_|.
   gulong mark_set_handler_id_;
 
+#if defined(OS_CHROMEOS)
+  // The following variables are used to implement select-all-on-mouse-up, which
+  // is disabled in the standard Linux build due to poor interaction with the
+  // PRIMARY X selection.
+
+  // Is the first mouse button currently down?  When selection marks get moved,
+  // we use this to determine if the user was highlighting text with the mouse
+  // -- if so, we avoid selecting all the text on mouse-up.
+  bool button_1_pressed_;
+
+  // Did the user change the selected text in the middle of the current click?
+  // If so, we don't select all of the text when the button is released -- we
+  // don't want to blow away their selection.
+  bool text_selected_during_click_;
+
+  // Was the text view already focused before the user clicked in it?  We use
+  // this to figure out whether we should select all of the text when the button
+  // is released (we only do so if the view was initially unfocused).
+  bool text_view_focused_before_button_press_;
+#endif
+
 #if !defined(TOOLKIT_VIEWS)
   // Supplies colors, et cetera.
   GtkThemeProvider* theme_provider_;
 
   NotificationRegistrar registrar_;
 #endif
 
   // Indicates if Enter key was pressed.
   //
   // It's used in the key press handler to detect an Enter key press event
@@ skipping 24 matching lines @@
 
   // Contains the character range that should have a strikethrough (used for
   // insecure schemes). If the range is size one or less, no strikethrough
   // is needed.
   CharRange strikethrough_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditViewGtk);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_