[blimp] Add support for having multiple tabs

blimp/client/app/android/blimp_view.cc

 // Copyright 2015 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.
 
 #include "blimp/client/app/android/blimp_view.h"
 
 #include <android/native_window_jni.h>
 
 #include "base/memory/ptr_util.h"
 #include "blimp/client/app/android/blimp_client_session_android.h"
 #include "blimp/client/app/compositor/browser_compositor.h"
 #include "blimp/client/core/compositor/blimp_compositor_dependencies.h"
 #include "blimp/client/core/compositor/blimp_compositor_manager.h"
 #include "blimp/client/core/render_widget/render_widget_feature.h"
 #include "blimp/client/support/compositor/compositor_dependencies_impl.h"
 #include "jni/BlimpView_jni.h"
 #include "ui/events/android/motion_event_android.h"
 #include "ui/gfx/geometry/size.h"
 
 using base::android::JavaParamRef;
 
+namespace {
+const int kDummyBlimpContentsId = 0;
+}  // namespace
+
 namespace blimp {
 namespace client {
 namespace app {
 
 static jlong Init(JNIEnv* env,
                   const JavaParamRef<jobject>& jobj,
                   const JavaParamRef<jobject>& blimp_client_session,
                   jint real_width,
                   jint real_height,
                   jint width,
@@ skipping 29 matching lines @@
       weak_ptr_factory_(this) {
   compositor_dependencies_ = base::MakeUnique<BlimpCompositorDependencies>(
       base::MakeUnique<CompositorDependenciesImpl>());
 
   compositor_ = base::MakeUnique<BrowserCompositor>(
       compositor_dependencies_->GetEmbedderDependencies());
   compositor_->set_did_complete_swap_buffers_callback(base::Bind(
       &BlimpView::OnSwapBuffersCompleted, weak_ptr_factory_.GetWeakPtr()));
 
   compositor_manager_ = base::MakeUnique<BlimpCompositorManager>(
-      render_widget_feature, compositor_dependencies_.get());
+      kDummyBlimpContentsId, render_widget_feature,
+      compositor_dependencies_.get());
   compositor_->SetContentLayer(compositor_manager_->layer());
 
   java_obj_.Reset(env, jobj);
 }
 
 BlimpView::~BlimpView() {
   SetSurface(nullptr);
 
   // Destroy the BrowserCompositor and the BlimpCompositorManager before the
   // BlimpCompositorDependencies.
@@ skipping 123 matching lines @@
 }
 
 void BlimpView::OnSwapBuffersCompleted() {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_BlimpView_onSwapBuffersCompleted(env, java_obj_);
 }
 
 }  // namespace app
 }  // namespace client
 }  // namespace blimp