Android: Support GPU process

ui/gl/gl_surface_egl.cc

Index: ui/gl/gl_surface_egl.cc
diff --git a/ui/gl/gl_surface_egl.cc b/ui/gl/gl_surface_egl.cc
index 63e2faba30a8694d37052f347336e03d850d7ebd..3b81daf83285a476768cb724f7facde9bbca8950 100644
--- a/ui/gl/gl_surface_egl.cc
+++ b/ui/gl/gl_surface_egl.cc
@@ -4,6 +4,10 @@
 
 #include "ui/gl/gl_surface_egl.h"
 
+#if defined(OS_ANDROID)
+#include <android/native_window_jni.h>
+#endif
+
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
@@ -219,6 +223,10 @@ NativeViewGLSurfaceEGL::NativeViewGLSurfaceEGL(bool software,
       supports_post_sub_buffer_(false),
       config_(NULL) {
   software_ = software;
+#if defined(OS_ANDROID)
+  if (window)

[no sievers, 2013/03/05 21:47:02]

The extra ref is for NativeViewGLSurfaceEGL::Resize() which destroys the EGL
surface which releases all references to the underlying graphics buffer.
Currently with kInProcessGpu we hold an extra reference through the browser
compositor, but that does not hold up when the surface is used in another
process.

+    ANativeWindow_acquire(window);
+#endif
 }
 
 bool NativeViewGLSurfaceEGL::Initialize() {
@@ -433,6 +441,10 @@ VSyncProvider* NativeViewGLSurfaceEGL::GetVSyncProvider() {
 
 NativeViewGLSurfaceEGL::~NativeViewGLSurfaceEGL() {
   Destroy();
+#if defined(OS_ANDROID)
+  if (window_)
+    ANativeWindow_release(window_);
+#endif
 }
 
 void NativeViewGLSurfaceEGL::SetHandle(EGLSurface surface) {