[Android] Select text when stylus first button is pressed.

content/browser/renderer_host/render_widget_host_view_android.h

Index: content/browser/renderer_host/render_widget_host_view_android.h
diff --git a/content/browser/renderer_host/render_widget_host_view_android.h b/content/browser/renderer_host/render_widget_host_view_android.h
index 256fb132efcfca6c06b36da43d11a5757de786bf..8d6797e5626a602f70ce6c8e884ee4fb96499740 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -20,6 +20,7 @@
 #include "content/browser/renderer_host/delegated_frame_evictor.h"
 #include "content/browser/renderer_host/image_transport_factory_android.h"
 #include "content/browser/renderer_host/ime_adapter_android.h"
+#include "content/browser/renderer_host/input/gesture_text_selector.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/common/content_export.h"
 #include "gpu/command_buffer/common/mailbox.h"
@@ -50,6 +51,7 @@ class WebMouseEvent;
 
 namespace content {
 class ContentViewCoreImpl;
+class GestureTextSelector;
 class OverscrollGlow;
 class RenderWidgetHost;
 class RenderWidgetHostImpl;
@@ -65,7 +67,8 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
       public ImageTransportFactoryAndroidObserver,
       public ui::GestureProviderClient,
       public ui::WindowAndroidObserver,
-      public DelegatedFrameEvictorClient {
+      public DelegatedFrameEvictorClient,
+      public GestureTextSelectorClient {
  public:
   RenderWidgetHostViewAndroid(RenderWidgetHostImpl* widget,
                               ContentViewCoreImpl* content_view_core);
@@ -231,6 +234,12 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   void SetTextSurroundingSelectionCallback(
       const TextSurroundingSelectionCallback& callback);
 
+  // GestureTextSelectorClient implementation.
+  virtual void ShowSelectionHandlesAutomatically() OVERRIDE;
+  virtual void SelectRange(float x1, float y1, float x2, float y2) OVERRIDE;
+  virtual void SelectWord(float x, float y) OVERRIDE;
+  virtual void Unselect() OVERRIDE;
+
  private:
   void RunAckCallbacks();
 
@@ -361,6 +370,8 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
 
   TextSurroundingSelectionCallback text_surrounding_selection_callback_;
 
+  scoped_ptr<GestureTextSelector> gesture_text_selector_;

[jdduke (slow), 2014/06/24 15:38:37]

I don't think we need to heap allocate this, I would just make it a regular
value member variable and move it below the |gesture_provider_| declaration.

[Changwan Ryu, 2014/06/25 07:26:21]

Done.

+
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };