x11: Move X event handling out of the message-pump.

ui/views/controls/textfield/textfield_unittest.cc

Index: ui/views/controls/textfield/textfield_unittest.cc
diff --git a/ui/views/controls/textfield/textfield_unittest.cc b/ui/views/controls/textfield/textfield_unittest.cc
index 861b24dd5ecda4361fbeecc6b36df7b7be915ebe..fa76e2640033ceefdb7cea2409ea93cf63d44a47 100644
--- a/ui/views/controls/textfield/textfield_unittest.cc
+++ b/ui/views/controls/textfield/textfield_unittest.cc
@@ -28,6 +28,7 @@
 #include "ui/base/ui_base_switches_util.h"
 #include "ui/events/event.h"
 #include "ui/events/keycodes/keyboard_codes.h"
+#include "ui/events/platform/platform_event_source.h"
 #include "ui/gfx/render_text.h"
 #include "ui/views/controls/textfield/textfield_controller.h"
 #include "ui/views/controls/textfield/textfield_model.h"
@@ -654,6 +655,8 @@ TEST_F(TextfieldTest, FocusTraversalTest) {
 }
 
 TEST_F(TextfieldTest, ContextMenuDisplayTest) {
+  scoped_ptr<ui::PlatformEventSource> event_source =
+      ui::PlatformEventSource::CreateDefault();
   InitTextfield();
   EXPECT_TRUE(textfield_->context_menu_controller());
   textfield_->SetText(ASCIIToUTF16("hello world"));
@@ -744,8 +747,25 @@ TEST_F(TextfieldTest, DragToSelect) {
   EXPECT_EQ(textfield_->text(), textfield_->GetSelectedText());
 }
 
+class TextfieldDragAndDropTest : public TextfieldTest {
+ public:
+  TextfieldDragAndDropTest() {}
+  virtual ~TextfieldDragAndDropTest() {}
+
+  // TextfieldTest:
+  virtual void SetUp() OVERRIDE {
+    event_source_ = ui::PlatformEventSource::CreateDefault();
+    TextfieldTest::SetUp();
+  }
+
+ private:
+  scoped_ptr<ui::PlatformEventSource> event_source_;
+
+  DISALLOW_COPY_AND_ASSIGN(TextfieldDragAndDropTest);
+};
+
 #if defined(OS_WIN)
-TEST_F(TextfieldTest, DragAndDrop_AcceptDrop) {
+TEST_F(TextfieldDragAndDropTest, DragAndDrop_AcceptDrop) {
   InitTextfield();
   textfield_->SetText(ASCIIToUTF16("hello world"));
 
@@ -797,7 +817,7 @@ TEST_F(TextfieldTest, DragAndDrop_AcceptDrop) {
 }
 #endif
 
-TEST_F(TextfieldTest, DragAndDrop_InitiateDrag) {
+TEST_F(TextfieldDragAndDropTest, DragAndDrop_InitiateDrag) {
   InitTextfield();
   textfield_->SetText(ASCIIToUTF16("hello string world"));
 
@@ -844,7 +864,7 @@ TEST_F(TextfieldTest, DragAndDrop_InitiateDrag) {
       textfield_->GetDragOperationsForView(textfield_, kStringPoint));
 }
 
-TEST_F(TextfieldTest, DragAndDrop_ToTheRight) {
+TEST_F(TextfieldDragAndDropTest, DragAndDrop_ToTheRight) {
   InitTextfield();
   textfield_->SetText(ASCIIToUTF16("hello world"));
 
@@ -897,7 +917,7 @@ TEST_F(TextfieldTest, DragAndDrop_ToTheRight) {
   EXPECT_STR_EQ("h welloorld", textfield_->text());
 }
 
-TEST_F(TextfieldTest, DragAndDrop_ToTheLeft) {
+TEST_F(TextfieldDragAndDropTest, DragAndDrop_ToTheLeft) {
   InitTextfield();
   textfield_->SetText(ASCIIToUTF16("hello world"));
 
@@ -950,7 +970,7 @@ TEST_F(TextfieldTest, DragAndDrop_ToTheLeft) {
   EXPECT_STR_EQ("h worlellod", textfield_->text());
 }
 
-TEST_F(TextfieldTest, DragAndDrop_Canceled) {
+TEST_F(TextfieldDragAndDropTest, DragAndDrop_Canceled) {
   InitTextfield();
   textfield_->SetText(ASCIIToUTF16("hello world"));