Removed context#getApplicationContext calls from /content/public/android

Continuation of work in bug 646094.

This CL was uploaded by git cl split.

R=dtrainor@chromium.org

Bug: 846456
Change-Id: Ied7851bf95858ac7c9580c028cb11cf2b8290374
Reviewed-on: https://chromium-review.googlesource.com/1095984Reviewed-by: Simeon Anfinrud <sanfin@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Commit-Queue: Tiger Oakes <tigero@google.com>
Cr-Commit-Position: refs/heads/master@{#570827}

chrome/android/java/src/org/chromium/chrome/browser/init/ChromeBrowserInitializer.java

@@ -227,7 +227,7 @@ public class ChromeBrowserInitializer {
 
         warmUpSharedPrefs();
 
-        DeviceUtils.addDeviceSpecificUserAgentSwitch(mApplication);
+        DeviceUtils.addDeviceSpecificUserAgentSwitch();
         ApplicationStatus.registerStateListenerForAllActivities(
                 createActivityStateListener());
 

chromecast/browser/android/apk/src/org/chromium/chromecast/shell/CastBrowserHelper.java

@@ -46,7 +46,7 @@ public class CastBrowserHelper {
             return CommandLine.getInstance();
         });
 
-        DeviceUtils.addDeviceSpecificUserAgentSwitch(context);
+        DeviceUtils.addDeviceSpecificUserAgentSwitch();
 
         try {
             LibraryLoader.getInstance().ensureInitialized(LibraryProcessType.PROCESS_BROWSER);

content/public/android/java/src/org/chromium/content/browser/BrowserStartupControllerImpl.java

@@ -395,8 +395,7 @@ public class BrowserStartupControllerImpl implements BrowserStartupController {
             public void run() {
                 if (!mPostResourceExtractionTasksCompleted) {
                     // TODO(yfriedman): Remove dependency on a command line flag for this.
-                    DeviceUtilsImpl.addDeviceSpecificUserAgentSwitch(
-                            ContextUtils.getApplicationContext());
+                    DeviceUtilsImpl.addDeviceSpecificUserAgentSwitch();
                     nativeSetCommandLineFlags(
                             singleProcess, nativeIsPluginEnabled() ? getPlugins() : null);
                     mPostResourceExtractionTasksCompleted = true;

content/public/android/java/src/org/chromium/content/browser/DeviceUtilsImpl.java

@@ -4,8 +4,6 @@
 
 package org.chromium.content.browser;
 
-import android.content.Context;
-
 import org.chromium.base.CommandLine;
 import org.chromium.content_public.common.ContentSwitches;
 import org.chromium.ui.base.DeviceFormFactor;
@@ -16,7 +14,7 @@ import org.chromium.ui.base.DeviceFormFactor;
 public class DeviceUtilsImpl {
     private DeviceUtilsImpl() {}
 
-    public static void addDeviceSpecificUserAgentSwitch(Context context) {
+    public static void addDeviceSpecificUserAgentSwitch() {
         if (!DeviceFormFactor.isTablet()) {
             CommandLine.getInstance().appendSwitch(ContentSwitches.USE_MOBILE_UA);
         }

content/public/android/java/src/org/chromium/content_public/browser/DeviceUtils.java

@@ -4,8 +4,6 @@
 
 package org.chromium.content_public.browser;
 
-import android.content.Context;
-
 import org.chromium.content.browser.DeviceUtilsImpl;
 
 /**
@@ -16,9 +14,8 @@ public final class DeviceUtils {
 
     /**
      * Appends the switch specifying which user agent should be used for this device.
-     * @param context The context for the caller activity.
      */
-    public static void addDeviceSpecificUserAgentSwitch(Context context) {
-        DeviceUtilsImpl.addDeviceSpecificUserAgentSwitch(context);
+    public static void addDeviceSpecificUserAgentSwitch() {
+        DeviceUtilsImpl.addDeviceSpecificUserAgentSwitch();
     }
 }

content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java

@@ -55,7 +55,7 @@ public class ContentShellActivity extends Activity {
             }
         }
 
-        DeviceUtils.addDeviceSpecificUserAgentSwitch(this);
+        DeviceUtils.addDeviceSpecificUserAgentSwitch();
 
         try {
             LibraryLoader.getInstance().ensureInitialized(LibraryProcessType.PROCESS_BROWSER);