gtk: Add keyboard accelerator to kill a process/plug-in in Task Manager.

BUG=7229
TEST=1- Launch Chrome Task Manager and select any process/puglin in the window.
     2- Hit Alt E(/e) to kill that process.

R=evan@chromium.org

Review URL: http://codereview.chromium.org/7582025

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95751 0039d316-1c4b-4281-b951-d872f2087c98

chrome/app/generated_resources.grd

@@ -3547,7 +3547,7 @@ are declared in build/common.gypi.
 
       <!-- Task Manager Window -->
       <message name="IDS_TASK_MANAGER_KILL" desc="The caption of the Task Manager kill button">
-        End process
+        &amp;End process
       </message>
       <message name="IDS_TASK_MANAGER_PURGE_MEMORY" desc="The caption of the Task Manager purge memory button">
         Purge memory

chrome/browser/ui/gtk/task_manager_gtk.cc

@@ -366,8 +366,8 @@ void TaskManagerGtk::OnItemsChanged(int start, int length) {
     SetRowDataFromModel(i, &iter);
     if (i != start + length - 1) {
       if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(process_list_), &iter)) {
-        NOTREACHED() << "Can't get next GtkTreeIter object from process_list_ \
-            iterator at position " << i;
+        NOTREACHED() << "Can't get next GtkTreeIter object from process_list_ "
+                        "iterator at position " << i;
       }
     }
   }
@@ -476,7 +476,8 @@ void TaskManagerGtk::Init() {
   }
 
   gtk_dialog_add_button(GTK_DIALOG(dialog_),
-      l10n_util::GetStringUTF8(IDS_TASK_MANAGER_KILL).c_str(),
+      gfx::ConvertAcceleratorsFromWindowsStyle(
+          l10n_util::GetStringUTF8(IDS_TASK_MANAGER_KILL)).c_str(),
       kTaskManagerResponseKill);
 
   // The response button should not be sensitive when the dialog is first opened