Add a mechanism to pause and resume geolocation requests.

android_webview/native/aw_contents.cc

Index: android_webview/native/aw_contents.cc
diff --git a/android_webview/native/aw_contents.cc b/android_webview/native/aw_contents.cc
index 4bdcf7ee2662a29f596dde2c22969756fc4adf9e..016ef12b17a9081f9141518458d5a7e500b0c3f7 100644
--- a/android_webview/native/aw_contents.cc
+++ b/android_webview/native/aw_contents.cc
@@ -42,6 +42,7 @@
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cert_store.h"
 #include "content/public/browser/favicon_status.h"
+#include "content/public/browser/geolocation_provider.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
@@ -157,6 +158,17 @@ GetRendererPreferencesSubpixelRenderingEnum(
   }
 }
 
+void PauseOrResumeGeolocationUpdatesInternal(bool should_pause) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  if (should_pause) {
+    content::GeolocationProvider::GetInstance()->
+        PauseAllLocationUpdateCallbacks();
+  } else {
+    content::GeolocationProvider::GetInstance()->
+        ResumeAllLocationUpdateCallbacks();
+  }
+}
+
 }  // namespace
 
 // static
@@ -342,6 +354,16 @@ static jint GetAwDrawGLFunction(JNIEnv* env, jclass) {
 }
 
 // static
+void PauseOrResumeGeolocation(JNIEnv* env,
+                              jclass,
+                              jboolean should_pause) {
+  content::BrowserThread::PostTask(
+      content::BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(&PauseOrResumeGeolocationUpdatesInternal, should_pause));
+}
+
+// static
 jint GetNativeInstanceCount(JNIEnv* env, jclass) {
   return base::subtle::NoBarrier_Load(&g_instance_count);
 }
@@ -692,6 +714,8 @@ void AwContents::SetWindowVisibility(JNIEnv* env, jobject obj, bool visible) {
 
 void AwContents::SetIsPaused(JNIEnv* env, jobject obj, bool paused) {
   browser_view_renderer_->SetIsPaused(paused);
+  render_view_host_ext_->PauseOrResumeGeolocation(paused);
+
   if (paused) {
     ContentViewCore* cvc =
         ContentViewCore::FromWebContents(web_contents_.get());