Fix Cronet compilation and test errors.

- Use UrlRequestContext.CreateRequest.
- Expect GIT revision in HttpUrlRequestFactoryTest.
- Prevent getAllHeaders from being removed by proguard.

BUG=390267

Review URL: https://codereview.chromium.org/500193002

Cr-Commit-Position: refs/heads/master@{#291912}

components/cronet/android/proguard.cfg

@@ -10,12 +10,10 @@
 
 # TODO(mef) remove unnecessary classes from base, so we don't have to preserve
 # their methods
--keepclasseswithmembers class org.chromium.** {
+-keep class org.chromium.** {
     native <methods>;
 }
 
--dontnote org.chromium.net.AndroidKeyStore
-
 # Needed so that multiple optimization passes will detect annotations
 -keepattributes *Annotation*
 
@@ -24,4 +22,12 @@
 -keep @org.chromium.net.UsedBy* class *
 -keepclassmembers class * {
     @org.chromium.net.UsedBy* *;
-}
+}
\ No newline at end of file
+
+# Suppress unnecessary warnings.
+-dontnote org.chromium.net.AndroidKeyStore
+# Objects of this type are passed around by native code, but the class
+# is never used directly by native code. Since the class is not loaded, it does
+# not need to be preserved as an entry point.
+-dontnote org.chromium.net.UrlRequest$ResponseHeadersMap
+

components/cronet/android/sample/javatests/src/org/chromium/cronet_sample_apk/CronetSamplePreconditionsTest.java

-// Copyright 2014 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.cronet_sample_apk;
-
-import android.content.Context;
-import android.os.PowerManager;
-import android.test.suitebuilder.annotation.Smoke;
-
-import org.chromium.base.test.util.Feature;
-
-/**
- * Test that verifies preconditions for tests to run.
- */
-public class CronetSamplePreconditionsTest extends CronetSampleTestBase {
-    @Smoke
-    @Feature({"TestInfrastructure"})
-    public void testScreenIsOn() throws Exception {
-        PowerManager pm = (PowerManager)getInstrumentation().getContext()
-                .getSystemService(Context.POWER_SERVICE);
-
-        assertTrue("Many tests will fail if the screen is not on.",
-                pm.isScreenOn());
-    }
-}

components/cronet/android/sample/javatests/src/org/chromium/cronet_sample_apk/HttpUrlRequestFactoryTest.java

@@ -14,7 +14,7 @@ import org.chromium.net.HttpUrlRequestFactoryConfig;
 import java.util.regex.Pattern;
 
 /**
- * Tests for {@link ChunkedWritableByteChannel}
+ * Tests for {@link HttpUrlRequestFactory}
  */
 public class HttpUrlRequestFactoryTest extends InstrumentationTestCase {
     @SmallTest
@@ -24,8 +24,8 @@ public class HttpUrlRequestFactoryTest extends InstrumentationTestCase {
         HttpUrlRequestFactory factory = HttpUrlRequestFactory.createFactory(
                 getInstrumentation().getContext(), config);
         assertNotNull("Factory should be created", factory);
-        assertTrue("Factory should be Chromium/n.n.n.n/r",
-                   Pattern.matches("Chromium/\\d+\\.\\d+\\.\\d+\\.\\d+@\\d+",
+        assertTrue("Factory should be Chromium/n.n.n.n@r",
+                   Pattern.matches("Chromium/\\d+\\.\\d+\\.\\d+\\.\\d+@\\w+",
                    factory.getName()));
     }
 
@@ -39,7 +39,8 @@ public class HttpUrlRequestFactoryTest extends InstrumentationTestCase {
                 getInstrumentation().getContext(), config);
         assertNotNull("Factory should be created", factory);
         assertTrue("Factory should be HttpUrlConnection/n.n.n.n@r",
-                   Pattern.matches("HttpUrlConnection/\\d+\\.\\d+\\.\\d+\\.\\d+@\\d+",
+                   Pattern.matches(
+                           "HttpUrlConnection/\\d+\\.\\d+\\.\\d+\\.\\d+@\\w+",
                    factory.getName()));
     }
 }

components/cronet/android/url_request_adapter.cc

@@ -25,7 +25,6 @@ URLRequestAdapter::URLRequestAdapter(URLRequestContextAdapter* context,
                                      GURL url,
                                      net::RequestPriority priority)
     : method_("GET"),
-      url_request_(NULL),
       read_buffer_(new net::GrowableIOBuffer()),
       bytes_read_(0),
       total_bytes_read_(0),
@@ -121,8 +120,8 @@ void URLRequestAdapter::OnInitiateConnection() {
   VLOG(1) << "Starting chromium request: "
           << url_.possibly_invalid_spec().c_str()
           << " priority: " << RequestPriorityToString(priority_);
-  url_request_ = new net::URLRequest(
-      url_, net::DEFAULT_PRIORITY, this, context_->GetURLRequestContext());
+  url_request_ = context_->GetURLRequestContext()->CreateRequest(
+      url_, net::DEFAULT_PRIORITY, this, NULL);
   url_request_->SetLoadFlags(net::LOAD_DISABLE_CACHE |
                              net::LOAD_DO_NOT_SAVE_COOKIES |
                              net::LOAD_DO_NOT_SEND_COOKIES);
@@ -281,10 +280,7 @@ void URLRequestAdapter::OnRequestCanceled() {
 
 void URLRequestAdapter::OnRequestCompleted() {
   VLOG(1) << "Completed: " << url_.possibly_invalid_spec();
-  if (url_request_ != NULL) {
-    delete url_request_;
-    url_request_ = NULL;
-  }
+  url_request_.reset();
 
   delegate_->OnBytesRead(this);
   delegate_->OnRequestFinished(this);

components/cronet/android/url_request_adapter.h

@@ -135,7 +135,7 @@ class URLRequestAdapter : public net::URLRequest::Delegate {
   net::RequestPriority priority_;
   std::string method_;
   net::HttpRequestHeaders headers_;
-  net::URLRequest* url_request_;
+  scoped_ptr<net::URLRequest> url_request_;
   scoped_ptr<net::UploadDataStream> upload_data_stream_;
   scoped_refptr<net::GrowableIOBuffer> read_buffer_;
   int bytes_read_;