Remove all blimp client code.

blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsObserverProxy.java

Index: blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsObserverProxy.java
diff --git a/blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsObserverProxy.java b/blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsObserverProxy.java
deleted file mode 100644
index b3212ab269dc48e4f471ff1099f87202ca275397..0000000000000000000000000000000000000000
--- a/blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsObserverProxy.java
+++ /dev/null
@@ -1,69 +0,0 @@
-// Copyright 2016 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.
-
-package org.chromium.blimp.core.contents;
-
-import org.chromium.base.ObserverList;
-import org.chromium.base.annotations.CalledByNative;
-import org.chromium.base.annotations.JNINamespace;
-import org.chromium.blimp_public.contents.BlimpContentsObserver;
-
-/**
- * Serves as a compound observer proxy for dispatching BlimpContentsObserver callbacks,
- * avoiding redundant JNI-related work when there are multiple Java-based observers.
- */
-@JNINamespace("blimp::client")
-class BlimpContentsObserverProxy implements BlimpContentsObserver {
-    private final ObserverList<BlimpContentsObserver> mObservers = new ObserverList<>();
-
-    private long mNativeBlimpContentsObserverProxy;
-
-    BlimpContentsObserverProxy(BlimpContentsImpl blimpContentsImpl) {
-        mNativeBlimpContentsObserverProxy = nativeInit(blimpContentsImpl);
-    }
-
-    void destroy() {
-        if (mNativeBlimpContentsObserverProxy != 0) {
-            nativeDestroy(mNativeBlimpContentsObserverProxy);
-            mNativeBlimpContentsObserverProxy = 0;
-        }
-        mObservers.clear();
-    }
-
-    void addObserver(BlimpContentsObserver observer) {
-        assert mNativeBlimpContentsObserverProxy != 0;
-        mObservers.addObserver(observer);
-    }
-
-    void removeObserver(BlimpContentsObserver observer) {
-        mObservers.removeObserver(observer);
-    }
-
-    @Override
-    @CalledByNative
-    public void onNavigationStateChanged() {
-        for (BlimpContentsObserver observer : mObservers) {
-            observer.onNavigationStateChanged();
-        }
-    }
-
-    @Override
-    @CalledByNative
-    public void onLoadingStateChanged(boolean loading) {
-        for (BlimpContentsObserver observer : mObservers) {
-            observer.onLoadingStateChanged(loading);
-        }
-    }
-
-    @Override
-    @CalledByNative
-    public void onPageLoadingStateChanged(boolean loading) {
-        for (BlimpContentsObserver observer : mObservers) {
-            observer.onPageLoadingStateChanged(loading);
-        }
-    }
-
-    private native long nativeInit(BlimpContentsImpl blimpContentsImpl);
-    private native void nativeDestroy(long nativeBlimpContentsObserverProxy);
-}